CVE-2022-27022 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tenda	Ac9 Firmware	15.03.2.21_cn
Tenda	Ac9	-

Related Weaknesses (CWE)

CWE-787

References

https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/14ExploitThird Party Advisory
https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/14ExploitThird Party Advisory

FAQ

What is CVE-2022-27022?

CVE-2022-27022 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2022-27022?

CVE-2022-27022 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-27022?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac9 Firmware, Tenda Ac9.