PT-2022-27152 · Totolink · Totolink Lr350

Published 2022-11-23 · Updated 2025-04-25 · CVE-2022-44253

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK LR350 version 9.3.5u.6369 B20220309

Description The issue is a post-authentication buffer overflow that occurs via the ip parameter in the setDiagnosisCfg function. This allows for potential exploitation after authentication has been completed.

Recommendations For TOTOLINK LR350 version 9.3.5u.6369 B20220309, as a temporary workaround, consider disabling the setDiagnosisCfg function until a patch is available. Restrict access to the ip parameter in the affected function 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-2022-44253

Affected Products

Totolink Lr350

References · 6

• 🔥 https://brief-nymphea-813.notion.site/LR350-bof-setDiagnosisCfg-bdae239f42e64a48a57b070b5bf17456 · Exploit
• https://osv.dev/vulnerability/CVE-2022-44253 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-44253 · Security Note
• https://t.me/cvenotify/119860 · Telegram Post
• https://t.me/cvenotify/38334 · Telegram Post
• https://t.me/cibsecurity/53427 · Telegram Post