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).
5507 vulnerabilities reference this CWE, most recent first.
CVE-2026-19811 (GCVE-0-2026-19811)
Vulnerability from cvelistv5 – Published: 2026-08-14 06:15 – Updated: 2026-08-18 01:52
VLAI
EPSS
VEX
Title
TOTOLINK A800R firewall.so cstecgi.cgi setIpQosRules stack-based overflow
Summary
A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137_B20200730. The impacted element is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument Comment results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 01:51 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/389947 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/389947/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19811 | third-party-advisory |
| https://vuldb.com/submit/869425 | third-party-advisory |
| https://github.com/panda666-888/vuls/blob/main/to… | exploit |
| https://www.totolink.net/ | product |
Impacted products
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CVE-2026-19791 (GCVE-0-2026-19791)
Vulnerability from cvelistv5 – Published: 2026-08-14 03:45 – Updated: 2026-08-14 15:06
VLAI
EPSS
VEX
Title
Tenda G0 httpd web management interface module addStaticRoute stack-based overflow
Summary
A weakness has been identified in Tenda G0 up to 20260625. The affected element is the function addStaticRoute of the file /goform/module of the component httpd web management interface. Executing a manipulation of the argument staticRouteNet can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 15:06 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/389759 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/389759/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19791 | third-party-advisory |
| https://vuldb.com/submit/868927 | third-party-advisory |
| https://github.com/lipenghai/iot_bug/blob/main/Te… | exploit |
| https://www.tenda.com.cn/ | product |
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CVE-2026-19790 (GCVE-0-2026-19790)
Vulnerability from cvelistv5 – Published: 2026-08-14 03:30 – Updated: 2026-08-18 13:39
VLAI
EPSS
VEX
Title
Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow
Summary
A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 13:30 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/389757 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/389757/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19790 | third-party-advisory |
| https://vuldb.com/submit/868924 | third-party-advisory |
| https://github.com/lipenghai/iot_bug/blob/main/Te… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
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CVE-2026-19789 (GCVE-0-2026-19789)
Vulnerability from cvelistv5 – Published: 2026-08-14 03:15 – Updated: 2026-08-14 14:58
VLAI
EPSS
VEX
Title
Tenda AC1206 httpd web management interface WifiGuestSet set_wl_guest_iplist stack-based overflow
Summary
A vulnerability was determined in Tenda AC1206 15.03.06.23_multi_TD01. This vulnerability affects the function set_wl_guest_iplist of the file /goform/WifiGuestSet of the component httpd web management interface. This manipulation of the argument shareSpeed causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 14:58 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/389756 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/389756/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19789 | third-party-advisory |
| https://vuldb.com/submit/868921 | third-party-advisory |
| https://github.com/lipenghai/iot_bug/blob/main/Te… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
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CVE-2026-19788 (GCVE-0-2026-19788)
Vulnerability from cvelistv5 – Published: 2026-08-14 03:00 – Updated: 2026-08-18 01:50
VLAI
EPSS
VEX
Title
Tenda AC1206 httpd web management interface SetOnlineDevName set_device_name stack-based overflow
Summary
A vulnerability was found in Tenda AC1206 15.03.06.23_multi_TD01. This affects the function set_device_name of the file /goform/SetOnlineDevName of the component httpd web management interface. The manipulation of the argument devName results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 01:50 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/389755 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/389755/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19788 | third-party-advisory |
| https://vuldb.com/submit/868913 | third-party-advisory |
| https://github.com/lipenghai/iot_bug/blob/main/Te… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
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CVE-2026-19695 (GCVE-0-2026-19695)
Vulnerability from cvelistv5 – Published: 2026-08-13 08:04 – Updated: 2026-08-13 14:19
VLAI
EPSS
VEX
Title
Stack-based Buffer Overflow in Wireshark
Summary
Gammu DCT3 trace file parser crash in 4.6.0 to 4.6.7 allows denial of service
Severity
4.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:18 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
4.6.0 , < 4.6.8
(semver)
|
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CVE-2026-19341 (GCVE-0-2026-19341)
Vulnerability from cvelistv5 – Published: 2026-08-09 07:00 – Updated: 2026-08-10 15:23
VLAI
EPSS
VEX
Title
UTT HiPER 1200GW pptpSrvGlobalConfig strcpy stack-based overflow
Summary
A security vulnerability has been detected in UTT HiPER 1200GW up to 2.5.3-170306. This impacts the function strcpy of the file /goform/pptpSrvGlobalConfig. Such manipulation of the argument EncryptionMode leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 15:23 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/387177 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/387177/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19341 | third-party-advisory |
| https://vuldb.com/submit/865277 | third-party-advisory |
| https://github.com/7wkajk/CVE-VUL/blob/main/104.md | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| UTT | HiPER 1200GW |
Affected:
2.5.3-170306
cpe:2.3:a:utt:hiper_1200gw:*:*:*:*:*:*:*:* |
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CVE-2026-19318 (GCVE-0-2026-19318)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-08-29 03:56
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Stack Buffer Overflow in iked Allows Remote Code Execution
Summary
A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19318 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
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CVE-2026-19234 (GCVE-0-2026-19234)
Vulnerability from cvelistv5 – Published: 2026-08-19 18:02 – Updated: 2026-08-21 03:57
VLAI
EPSS
VEX
Title
Power System Buffer Overflow
Summary
Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the host firmware boot process image validation path. An attacker with service access to the service processor can supply a maliciously crafted code update image, allowing arbitrary code to be executed on the host system. Successful exploitation could result in a confidentiality, integrity, and availability impact to the affected host system.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7283221 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Power Systems Firmware |
Affected:
FW1120.00
Affected: FW1110.00 , ≤ FW1110.30 (semver) Affected: FW1060.00 , ≤ FW1060.80 (semver) cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:* cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:* cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:* cpe:2.3:o:ibm:power_systems_firmware:fw1060.00:*:*:*:*:*:*:* cpe:2.3:o:ibm:power_systems_firmware:fw1060.80:*:*:*:*:*:*:* |
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CVE-2026-19003 (GCVE-0-2026-19003)
Vulnerability from cvelistv5 – Published: 2026-08-12 21:04 – Updated: 2026-08-13 13:44
VLAI
EPSS
VEX
Title
MongoDB BI Connector ODBC driver may write outside an allocated buffer when the setup dialog opens a data source with oversized path settings
Summary
A data source definition containing an over-length file path setting may cause the MongoDB BI Connector ODBC Driver setup dialog to write outside the bounds of an allocated buffer. The issue stems from an incorrect buffer capacity calculation in the dialog's file and folder selection handling, and is reached only when a user opens the setup dialog for such a data source and initiates a file or folder selection. Depending on build configuration, the result may range from abnormal process termination to, under certain conditions, execution of unintended code in the context of the user running the dialog.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 13:43 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB | BI Connector ODBC Driver |
Affected:
1.0.0 , < 1.4.9
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"cweId": "CWE-121",
"description": "CWE-121: Stack-based buffer overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-12T21:04:19.140Z",
"orgId": "a39b4221-9bd0-4244-95fc-f3e2e07f1deb",
"shortName": "mongodb"
},
"references": [
{
"url": "https://github.com/mongodb/mongo-bi-connector-odbc-driver/releases/tag/v1.4.9"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "MongoDB BI Connector ODBC driver may write outside an allocated buffer when the setup dialog opens a data source with oversized path settings",
"x_generator": {
"engine": "Vulnogram 1.0.4"
}
}
},
"cveMetadata": {
"assignerOrgId": "a39b4221-9bd0-4244-95fc-f3e2e07f1deb",
"assignerShortName": "mongodb",
"cveId": "CVE-2026-19003",
"datePublished": "2026-08-12T21:04:19.140Z",
"dateReserved": "2026-08-05T19:46:32.369Z",
"dateUpdated": "2026-08-13T13:44:16.892Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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.