CVE-2024-4112: tenda tx9_firmware Stack-based Buffer Overflow
Vulnerability summary
CVE-2024-4112 is a high (CVSS 9.0) Stack-based Buffer Overflow vulnerability in tenda tx9_firmware. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 77% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 24-04-2024PublishedVulnerability first disclosed.
- 21-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability classified as critical has been found in Tenda TX9 22.03.02.10. This affects the function sub_42CB94 of the file /goform/SetVirtualServerCfg. The manipulation of the argument list leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-261855. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CVSS metrics
5 scores · 2 sources · 3 versions- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.0HighAV:N/AC:L/Au:S/C:C/I:C/A:C
EPSS trend
Probability
1.70%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.70% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundIot Vulnerable
Maturity: poc
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA 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).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Tenda2 products
- tx9_firmware22.03.02.10
- tx9_pro_firmware22.03.02.10
1 vendor · 2 products