PT-2022-18185 · Tenda · Tenda Ac9

Published 2022-04-07 · Updated 2022-04-14 · CVE-2022-27022

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda AC9 version V15.03.2.21 cn

Description The issue is related to a stack overflow vulnerability in the SetSysTimeCfg() function within the httpd service. This vulnerability allows an attacker to obtain a stable root shell through a specifically constructed payload.

Recommendations For Tenda AC9 version V15.03.2.21 cn, consider disabling the SetSysTimeCfg() function as a temporary workaround until a patch is available. Restrict access to the httpd service to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2022-27022

Affected Products

Tenda Ac9

References · 5

• 🔥❌ https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/14 · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2022-27022 · Security Note
• https://osv.dev/vulnerability/CVE-2022-27022 · Vendor Advisory
• https://t.me/cvenotify/28582 · Telegram Post
• https://t.me/cvenotify/28959 · Telegram Post