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).
6031 vulnerabilities reference this CWE, most recent first.
CVE-2026-112063 (GCVE-0-2026-112063)
Vulnerability from cvelistv5 – Published: 2026-10-18 12:19 – Updated: 2026-10-18 12:19
VLAI
EPSS
VEX
Title
libstrophe through 0.14.0 Stack-Based Buffer Overflow via SCRAM Salt in SCRAM_Hi
Summary
libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAM_Hi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, aborting the client or overwriting stack memory in NDEBUG builds.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haindpwn/libstrophe-scram-salt… | third-party-advisory |
| https://github.com/strophe/libstrophe/blob/0.14.0… | technical-description |
| https://github.com/strophe/libstrophe/blob/0.14.0… | technical-description |
| https://www.vulncheck.com/advisories/libstrophe-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strophe | libstrophe |
Affected:
0 , ≤ 0.14.0
(semver)
|
Date Public
2026-10-17 17:52
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CVE-2026-112062 (GCVE-0-2026-112062)
Vulnerability from cvelistv5 – Published: 2026-10-18 12:19 – Updated: 2026-10-18 12:19
VLAI
EPSS
VEX
Title
lwIP through 2.2.1 Stack Out-of-Bounds Write via mDNS Search Response Handler
Summary
lwIP through 2.2.1 contains a stack out-of-bounds write vulnerability in mdns_handle_response that allows adjacent attackers to corrupt stack memory by sending mDNS responses with invalid domain names. Attackers on the local link can send multicast PTR answers with oversized RDLENGTH or SRV answers with RDLENGTH below 6 during a service search, overflowing a 256-byte stack buffer and crashing the device.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haindpwn/lwip-mdns-search-resu… | third-party-advisory |
| https://github.com/lwip-tcpip/lwip/commit/ab2f69c… | patch |
| https://github.com/lwip-tcpip/lwip/blob/STABLE-2_… | technical-description |
| https://www.vulncheck.com/advisories/lwip-through… | third-party-advisory |
Impacted products
Date Public
2026-10-17 18:49
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CVE-2026-111711 (GCVE-0-2026-111711)
Vulnerability from cvelistv5 – Published: 2026-10-16 17:40 – Updated: 2026-10-16 21:16
VLAI
EPSS
VEX
Title
Netcore NR256CN through 1.5.140116 Pre-Auth Stack Overflow via Boa user_ok()
Summary
Netcore NR256CN through 1.5.140116 contains a pre-authentication stack overflow vulnerability in the Boa web server's user_ok() function, which copies Basic-auth usernames with unbounded strcpy() calls into 64-byte stack buffers. Unauthenticated attackers can send a username longer than 63 bytes to any protected /router/*.cgi route to crash the main Boa process or potentially execute code.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 20:53 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/lukadqq/netcore-router-public-… | third-party-advisory |
| https://www.vulncheck.com/advisories/netcore-nr25… | third-party-advisory |
Impacted products
Date Public
2026-10-16 00:00
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CVE-2026-109940 (GCVE-0-2026-109940)
Vulnerability from cvelistv5 – Published: 2026-10-13 13:27 – Updated: 2026-10-13 13:56
VLAI
EPSS
VEX
Title
FreeRDP 3.0.0-beta1 before 3.32.0 Stack Buffer Overflow via PKCS#11 Key Name
Summary
FreeRDP 3.0.0-beta1 before 3.32.0 on Unix builds with PKCS#11 support has a stack-based buffer overflow in wprintKeyName() in WinPR's NCrypt PKCS#11 provider. It hex-encodes a key's CKA_ID, which can be up to 64 bytes, into a fixed 128-byte stack buffer. An attacker supplying a malicious PKCS#11 token or module whose key and matching certificate use a 55- to 64-byte CKA_ID can overflow the client's stack during key enumeration, causing a crash.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 13:55 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/freerdp-3.0.… | third-party-advisory |
Impacted products
Date Public
2026-09-29 00:00
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CVE-2026-109833 (GCVE-0-2026-109833)
Vulnerability from cvelistv5 – Published: 2026-10-13 12:00 – Updated: 2026-10-14 13:58
VLAI
EPSS
VEX
Title
Gnome-remote-desktop: heap buffer overflow in gnome-remote-desktop vnc tls peek buffer handling allows remote denial of service
Summary
A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. In the VNC TLS read path, partial consumption of the internal peek buffer incorrectly moves remaining peeked bytes into the caller-supplied buffer instead of compacting the peek buffer. A remote attacker who can reach an enabled VNC TLS listener and trigger a peek/read size mismatch can cause an out-of-bounds write, leading to denial of service.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 13:58 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-109833 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2550367 | issue-trackingx_refsource_REDHAT |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
Date Public
2026-10-12 00:00
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CVE-2026-109157 (GCVE-0-2026-109157)
Vulnerability from cvelistv5 – Published: 2026-10-13 10:45 – Updated: 2026-10-14 13:50 Unsupported When Assigned
VLAI
EPSS
VEX
Title
TRENDnet TEW-432BRP formTcpipSetup stack-based overflow
Summary
A vulnerability was found in TRENDnet TEW-432BRP 3.10B20. Affected by this vulnerability is the function formTcpipSetup of the file /goform/formTcpipSetup. Performing a manipulation of the argument Name results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor confirms: "As this router was EOL'd in 2011, we have no way of testing if such vulnerability exists. We will notify our customers of a potential vulnerability on this product." This vulnerability only affects products that are no longer supported by the maintainer.
Severity
9.9 (Critical)
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 13:50 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/416890 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/416890/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-109157 | third-party-advisory |
| https://vuldb.com/submit/979590 | third-party-advisory |
| https://github.com/wudipjq/my_vuln/blob/main/TREN… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TRENDnet | TEW-432BRP |
Affected:
3.10B20
cpe:2.3:o:trendnet:tew-432brp_firmware:*:*:*:*:*:*:*:* |
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CVE-2026-109109 (GCVE-0-2026-109109)
Vulnerability from cvelistv5 – Published: 2026-10-13 07:45 – Updated: 2026-10-14 13:39
VLAI
EPSS
VEX
Title
Wavlink WL-WN530BE1-A Settings Export CGI ExportAllSettings.cgi strcpy stack-based overflow
Summary
A vulnerability was detected in Wavlink WL-WN530BE1-A 251117. This vulnerability affects the function strcpy of the file /cgi-bin/ExportAllSettings.cgi of the component Settings Export CGI. Performing a manipulation of the argument HTTP_COOKIE/X-Cmd results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 13:38 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/416860 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/416860/cti | signaturepermissions-required |
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| https://vuldb.com/submit/909191 | third-party-advisory |
| https://gist.github.com/Rauzk/9ef4fe7574e5689386c… | broken-linkexploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wavlink | WL-WN530BE1-A |
Affected:
251117
cpe:2.3:a:wavlink:wl-wn530be1-a:*:*:*:*:*:*:*:* |
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CVE-2026-108984 (GCVE-0-2026-108984)
Vulnerability from cvelistv5 – Published: 2026-10-19 00:52 – Updated: 2026-10-19 00:52
VLAI
EPSS
VEX
Title
GV-ASManager Web Server Buffer Overflow Vulnerability
Summary
A vulnerability is in Web Server default connection ports under the process name GeoWebServer.exe .
Severity
7.5 (High)
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GeoVision Inc. | GV-ASManager |
Affected:
6.3.0
Unaffected: 6.4.0 cpe:2.3:a:geovision_inc.:gv-asmanager:6.3.0:*:windows:*:*:*:*:* |
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CVE-2026-108893 (GCVE-0-2026-108893)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:45 – Updated: 2026-10-13 18:25
VLAI
EPSS
VEX
Title
Linksys E1700 setVlan stack-based overflow
Summary
A vulnerability was identified in Linksys E1700 up to 1.0.0.4.003. This issue affects the function setVlan of the file /goform/setVlan. Such manipulation of the argument vlan_set leads to stack-based buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
9.9 (Critical)
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:24 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/416685 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/416685/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-108893 | third-party-advisory |
| https://vuldb.com/submit/973112 | third-party-advisory |
| https://github.com/wudipjq/my_vuln/blob/main/Link… | exploit |
| https://www.linksys.com/ | product |
Impacted products
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CVE-2026-108892 (GCVE-0-2026-108892)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:30 – Updated: 2026-10-15 15:15
VLAI
EPSS
VEX
Title
Linksys E1700 Mac Filter ssid1MACFilter stack-based overflow
Summary
A vulnerability was determined in Linksys E1700 1.0.0.4.003. This vulnerability affects the function ssid1MACFilter of the file /goform/ssid1MACFilter of the component Mac Filter. This manipulation of the argument newap_text_%d causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 14:53 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/416684 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/416684/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-108892 | third-party-advisory |
| https://vuldb.com/submit/973111 | third-party-advisory |
| https://github.com/wudipjq/my_vuln/blob/main/Link… | exploit |
| https://www.linksys.com/ | product |
Impacted products
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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.