PT-2022-1953 · Tp Link · Tp-Link Tl-Wr840N

Published 2022-02-14 · Updated 2025-06-05 · CVE-2022-25061

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 TP-LINK TL-WR840N(ES) version V6.20 180709

Description The issue is related to a command injection vulnerability via the component oal setIp6DefaultRoute(). This vulnerability is associated with the lack of neutralization of special elements when processing the ifName argument, which can allow an attacker to execute arbitrary commands.

Recommendations For TP-LINK TL-WR840N(ES) version V6.20 180709, as a temporary workaround, consider disabling the oal setIp6DefaultRoute() function until a patch is available. Restrict access to the libcmm.so module to minimize the risk of exploitation. Avoid using the ifName argument in the affected component until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

BDU:2022-01510

CVE-2022-25061

Affected Products

Tp-Link Tl-Wr840N

References · 10

• 🔥 https://east-trowel-102.notion.site/CVE-2021-XXXX-Injection-of-commands-through-object-oal_setIp6DefaultRoute-EN-ddf9c1db199d49829269147ada6cb312 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-25061 · Security Note
• https://bdu.fstec.ru/vul/2022-01510 · Security Note
• https://osv.dev/vulnerability/CVE-2022-25061 · Vendor Advisory
• http://tp-link.com · Note
• https://vuldb.com/ru/?id.193842 · Note
• http://router.com · Note
• https://t.me/cibsecurity/38118 · Telegram Post
• https://t.me/cvenotify/27402 · Telegram Post
• https://twitter.com/pdnuclei_bot/status/1930459574173348208 · Twitter Post