VulnerabilityModified
CVE-2023-40797
In Tenda AC23 v16.03.07.45_cn, the sub_4781A4 function does not validate the parameters entered by the user, resulting in a post-authentication stack overflow vulnerability.
HIGH 8.8EPSS 0.95%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Tenda AC23 v16.03.07.45_cn, the sub_4781A4 function does not validate the parameters entered by the user, resulting in a post-authentication stack overflow vulnerability.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.95% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- tenda/ac23 firmware
- Source
- cve@mitre.org
References
- https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/sub_4781A4Exploit, Third Party Advisory
- https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/sub_4781A4Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.