VulnerabilityModified
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.
CRITICAL 9.8EPSS 1.69%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.69% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- tenda/ac9 firmware
- Source
- cve@mitre.org
References
- https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/14Exploit, Third Party Advisory
- https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/14Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.