Buffer overflow in Tenda Ac9
CVE-2022-27022
There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.
Vulnerability class: Buffer Overflow
EPSS: 0.017 (74.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tenda Ac9
- Tenda Ac9_firmware — versions 15.03.2.21_cn
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-27022?
- CVE-2022-27022 is a critical-severity vulnerability in Tenda Ac9, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-04-07.
- How severe is CVE-2022-27022?
- Critical severity. CVSS v3 base score is 9.8 out of 10.