PT-2022-25594 · Tenda · Tenda Ac15+1

Published 2022-09-23 · Updated 2022-09-23 · CVE-2022-40869

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda AC15 and AC18 routers version V15.03.05.19

Description The issue concerns a stack overflow vulnerability in the fromDhcpListClient function, specifically with a combined parameter list* (%s%d, list).

Recommendations For Tenda AC15 and AC18 routers version V15.03.05.19, consider disabling the fromDhcpListClient function as a temporary workaround until a patch is available. Restrict access to the list* parameter 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-2022-40869

Affected Products

Tenda Ac15

Tenda Ac18

References · 5

• 🔥 https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC15/fromDhcpListClient-list.md · Exploit
• 🔥 https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC18/fromDhcpListClient-list.md · Exploit
• https://osv.dev/vulnerability/CVE-2022-40869 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-40869 · Security Note
• https://t.me/cibsecurity/50331 · Telegram Post