Common Weakness Enumeration
CWE-121
AllowedStack-based Buffer Overflow
Abstraction: Variant · Status: Draft
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
6050 vulnerabilities reference this CWE, most recent first.
CVE-2026-102180 (GCVE-0-2026-102180)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:57 – Updated: 2026-10-14 19:05
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: An attacker causes an rpd crash when BGP RIB streaming telemetry is in use
Summary
A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker with access to a configured BGP peering session to cause a denial of service by sending a crafted BGP route attribute, which is processed while a BGP RIB streaming telemetry subscription is active.
This issue does not affect Junos OS versions prior to 22.1R1.
This issue does not affect Junos OS Evolved versions prior to 22.1R1-EVO.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 18:58 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112187 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
(custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom) Affected: 24.2 , < 24.2R2-S5.5 (custom) Affected: 24.4 , < 24.4R2-S5 (custom) Affected: 25.2 , < 25.2R2-S2 (custom) Affected: 25.4 , < 25.4R1-S3 (custom) Affected: 26.2 , < 26.2R1-S2 (custom) Unaffected: 0 , < 22.1R1 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 23.2R2-S7.7-EVO
(custom)
Affected: 23.4 , < 23.4R2-S8.11-EVO (custom) Affected: 24.2 , < 24.2R2-S5.6-EVO (custom) Affected: 24.4 , < 24.4R2-S5-EVO (custom) Affected: 25.2 , < 25.2R2-S2-EVO (custom) Affected: 25.4 , < 25.4R1-S3-EVO (custom) Affected: 26.2 , < 26.2R1-S2-EVO (custom) Affected: 23.4X100 (custom) Affected: 25.2X100 , < 25.2X100-D35-EVO (custom) Affected: 25.4X300 , < 25.4X300-D40-EVO (custom) Unaffected: 0 , < 22.1R1-EVO (custom) |
Date Public
2026-10-14 16:00
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CVE-2026-102178 (GCVE-0-2026-102178)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:57 – Updated: 2026-10-16 16:35
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: When BGP update-threading is enabled a specifically malformed flowspec NLRI causes routing-engine compromise
Summary
A Stack-based Buffer Overflow vulnerability in the BGP routing daemon of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP flowspec peer to cause routing-engine compromise or a routing-daemon denial of service via flowspec route re-advertisement when BGP update-threading is enabled.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 16:35 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112187 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
(custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom) Affected: 24.2 , < 24.2R2-S5.5 (custom) Affected: 24.4 , < 24.4R2-S5 (custom) Affected: 25.2 , < 25.2R2-S2 (custom) Affected: 25.4 , < 25.4R1-S3 (custom) Affected: 26.2 , < 26.2R1-S2 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 23.2R2-S7.7-EVO
(custom)
Affected: 23.4 , < 23.4R2-S8.11-EVO (custom) Affected: 24.2 , < 24.2R2-S5.6-EVO (custom) Affected: 24.4 , < 24.4R2-S5-EVO (custom) Affected: 25.2 , < 25.2R2-S2-EVO (custom) Affected: 25.4 , < 25.4R1-S3-EVO (custom) Affected: 26.2 , < 26.2R1-S2-EVO (custom) Affected: 23.4X100 (custom) Affected: 25.2X100 , < 25.2X100-D35-EVO (custom) Affected: 25.4X300 , < 25.4X300-D40-EVO (custom) |
Date Public
2026-10-14 16:00
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CVE-2026-102174 (GCVE-0-2026-102174)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:56 – Updated: 2026-10-16 14:18
VLAI
EPSS
VEX
Title
Junos OS: SRX Series: An authenticated remote-access VPN client causes iked denial of service or root-level code execution when JIMS identity publishing is enabled
Summary
A Stack-based Buffer Overflow vulnerability in the iked IKE key-management daemon of Juniper Networks Junos OS on the SRX Series allows an authenticated remote-access VPN client to execute code with root privileges or cause denial of service via the remote-access VPN authentication and JIMS identity-publishing path.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 03:56 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112186 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
(custom)
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Date Public
2026-10-14 16:00
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CVE-2026-102167 (GCVE-0-2026-102167)
Vulnerability from cvelistv5 – Published: 2026-10-06 19:40 – Updated: 2026-10-06 20:00
VLAI
EPSS
VEX
Title
Security Advisory 0197
Summary
On affected Arista Wi-Fi access points, a memory corruption vulnerability exists in access point's wired uplink network endpoints. An unauthenticated attacker can crash the sensor service or potentially achieve remote code execution. Exploitation requires the attacker to be on the same network segment as the access point's wired uplink.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 20:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.arista.com/en/support/advisories-noti… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Arista Networks | Wi-Fi Access Points |
Affected:
22.0.0 , ≤ 22.0.1F-32
(custom)
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CVE-2026-102165 (GCVE-0-2026-102165)
Vulnerability from cvelistv5 – Published: 2026-10-06 19:40 – Updated: 2026-10-06 20:00
VLAI
EPSS
VEX
Title
Security Advisory 0198
Summary
On affected Arista Wi-Fi access points, an unauthenticated attacker with network access to the capture service can send a crafted packet to cause the service to crash or potentially achieve remote code execution. This exploit requires an uncommonly used non-default streaming mode.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 19:59 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
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|---|---|
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Impacted products
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| Arista Networks | Wi-Fi Access Points |
Affected:
22.0.0 , ≤ 22.0.1F-32
(custom)
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CVE-2026-102162 (GCVE-0-2026-102162)
Vulnerability from cvelistv5 – Published: 2026-10-06 19:40 – Updated: 2026-10-06 20:06
VLAI
EPSS
VEX
Title
Security Advisory 0193
Summary
On affected Arista Wi-Fi access points with captive portal, or application firewall enabled on at least one SSID, a vulnerability in the wireless gateway service could allow an unauthenticated network-adjacent attacker to send a crafted packet that triggers a stack overflow, resulting in a denial-of-service condition or potentially execute arbitrary code on the device. The wireless gateway service is automatically restarted after a crash, allowing repeated exploitation attempts.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 20:05 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.arista.com/en/support/advisories-noti… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Arista Networks | Wi-Fi Access Points |
Affected:
22.0.0 , ≤ 22.0.1F-32
(custom)
Affected: 21.3.0 , ≤ 21.3.0M-13 (custom) Affected: 1.0.0 , < 21.3.0 (custom) |
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CVE-2026-102076 (GCVE-0-2026-102076)
Vulnerability from cvelistv5 – Published: 2026-10-13 09:19 – Updated: 2026-10-13 16:20
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.7), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.21), APOGEE PXC Modular (BACnet) (All versions < V3.5.7), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.21), TALON TC Compact (BACnet) (All versions < V3.5.7), TALON TC Modular (BACnet) (All versions < V3.5.7). The affected product web service does not properly validate user-supplied input in upload code. This could allow an unauthenticated remote attacker to cause a denial of service.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:48 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | APOGEE MBC (PPC) (BACnet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MBC (PPC) (P2 Ethernet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MEC (PPC) (BACnet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MEC (PPC) (P2 Ethernet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE PXC Compact (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | APOGEE PXC Compact (P2 Ethernet) |
Affected:
0 , < V2.8.21
(custom)
|
|
| Siemens | APOGEE PXC Modular (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | APOGEE PXC Modular (P2 Ethernet) |
Affected:
0 , < V2.8.21
(custom)
|
|
| Siemens | TALON TC Compact (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | TALON TC Modular (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
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CVE-2026-102075 (GCVE-0-2026-102075)
Vulnerability from cvelistv5 – Published: 2026-10-13 09:19 – Updated: 2026-10-13 13:00
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.7), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.21), APOGEE PXC Modular (BACnet) (All versions < V3.5.7), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.21), TALON TC Compact (BACnet) (All versions < V3.5.7), TALON TC Modular (BACnet) (All versions < V3.5.7). The affected product web service does not properly validate user input in multipart handling. This could allow an unauthenticated remote attacker to cause a denial of service.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 13:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | APOGEE MBC (PPC) (BACnet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MBC (PPC) (P2 Ethernet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MEC (PPC) (BACnet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MEC (PPC) (P2 Ethernet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE PXC Compact (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | APOGEE PXC Compact (P2 Ethernet) |
Affected:
0 , < V2.8.21
(custom)
|
|
| Siemens | APOGEE PXC Modular (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | APOGEE PXC Modular (P2 Ethernet) |
Affected:
0 , < V2.8.21
(custom)
|
|
| Siemens | TALON TC Compact (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | TALON TC Modular (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
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CVE-2026-102074 (GCVE-0-2026-102074)
Vulnerability from cvelistv5 – Published: 2026-10-13 09:19 – Updated: 2026-10-13 16:20
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.7), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.21), APOGEE PXC Modular (BACnet) (All versions < V3.5.7), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.21), TALON TC Compact (BACnet) (All versions < V3.5.7), TALON TC Modular (BACnet) (All versions < V3.5.7). The affected product FTP service does not properly validate the length of user-controllable input. This could allow an unauthenticated remote attacker to cause a denial of service.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:48 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | APOGEE MBC (PPC) (BACnet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MBC (PPC) (P2 Ethernet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MEC (PPC) (BACnet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE MEC (PPC) (P2 Ethernet) |
Affected:
0 , < *
(custom)
|
|
| Siemens | APOGEE PXC Compact (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | APOGEE PXC Compact (P2 Ethernet) |
Affected:
0 , < V2.8.21
(custom)
|
|
| Siemens | APOGEE PXC Modular (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | APOGEE PXC Modular (P2 Ethernet) |
Affected:
0 , < V2.8.21
(custom)
|
|
| Siemens | TALON TC Compact (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
|
| Siemens | TALON TC Modular (BACnet) |
Affected:
0 , < V3.5.7
(custom)
|
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CVE-2026-102069 (GCVE-0-2026-102069)
Vulnerability from cvelistv5 – Published: 2026-10-14 16:17 – Updated: 2026-10-15 03:57
VLAI
EPSS
VEX
Title
Junos OS: An ICCP peer causes dot1xd to crash when dot1x synchronization is enabled
Summary
A Stack-based Buffer Overflow vulnerability in the dot1x daemon of Juniper Networks Junos OS devices operating as Junos Fusion Aggregation Devices allows an adjacent attacker acting as the configured ICCP peer to cause a denial of service and potentially execute code as root via. The issue is triggered when dot1x synchronization is enabled for the required Fusion satellite topology.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA112188 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7.7
(custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom) Affected: 24.2 , < 24.2R2-S5.5 (custom) Affected: 24.4 , < 24.4R2-S5 (custom) Affected: 25.2 , < 25.2R2-S2 (custom) Affected: 25.4 , < 25.4R1-S3 (custom) Affected: 26.2 , < 26.2R1-S2 (custom) |
Date Public
2026-10-14 16:00
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"value": "The following software releases have been updated to resolve this specific issue:\n\n\n\nJunos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases.\n\nJunos OS Evolved: 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.2X100-D35-EVO, 25.4R1-S3-EVO, 25.4R2-EVO, 25.4X300-D40-EVO, 26.2R1-S2-EVO, 26.2R2-EVO, 26.4R1-EVO, and all subsequent releases.\n\nNote: For Junos OS releases 23.2, 23.4, and 24.2, and Junos OS Evolved releases 23.2-EVO, 23.4-EVO, and 24.2-EVO, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory."
}
],
"source": {
"advisory": "JSA112188",
"defect": [
"1955815"
],
"discovery": "INTERNAL"
},
"title": "Junos OS: An ICCP peer causes dot1xd to crash when dot1x synchronization is enabled",
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"cveMetadata": {
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"assignerShortName": "juniper",
"cveId": "CVE-2026-102069",
"datePublished": "2026-10-14T16:17:33.527Z",
"dateReserved": "2026-09-28T17:35:40.524Z",
"dateUpdated": "2026-10-15T03:57:20.837Z",
"state": "PUBLISHED"
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Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
No CAPEC attack patterns related to this CWE.