I21 Firmware
CVE-2024-4491
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
A vulnerability classified as critical was found in Tenda i21 1.0.0.14(4656). This vulnerability affects the function formGetDiagnoseInfo. The manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-263080. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
A vulnerability classified as critical was found in Tenda i21 1.0.0.14(4656). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-121. A vulnerability classified as critical was found in Tenda i21 1.0.0.14(4656). This vulnerability affects the function formGetDiagnoseInfo. The manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-263080. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. Affected products include: Tenda I21 Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in I21 Firmware
View allTenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setUplinkInfo. Rated critical severity (CVSS 9.8)
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setDiagnoseInfo. Rated critical severity (CVSS 9.
Tenda i21 V1.0.0.14(4656) has a stack overflow vulnerability via /goform/setSysPwd. Rated critical severity (CVSS 9.8),
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/AddSysLogRule. Rated critical severity (CVSS 9.8)
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setSnmpInfo. Rated critical severity (CVSS 9.8),
A vulnerability was found in Tenda i21 1.0.0.14(4656). Rated high severity (CVSS 8.8), this vulnerability is remotely ex
A vulnerability was found in Tenda i21 1.0.0.14(4656). Rated high severity (CVSS 8.8), this vulnerability is remotely ex
A vulnerability was found in Tenda i21 1.0.0.14(4656) and classified as critical. Rated high severity (CVSS 8.8), this v
A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. Rated high severity (CVSS 8.8), t
A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). Rated high severity (CVSS 8.8)
A vulnerability, which was classified as critical, has been found in Tenda i21 1.0.0.14(4656). Rated high severity (CVSS
A vulnerability was found in Tenda i21 1.0.0.14(4656). Rated high severity (CVSS 8.8), this vulnerability is remotely ex
Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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