PT-2022-25913 · Totolink · Totolink Nr1800X

Published 2022-10-06 · Updated 2022-10-12 · CVE-2022-41526

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 NR1800X version 9.1.0u.6279 B20210910

Description The issue is an authenticated stack overflow that occurs via the ip parameter in the setDiagnosisCfg function. This allows for potential exploitation.

Recommendations For TOTOLINK NR1800X version 9.1.0u.6279 B20210910, as a temporary workaround, consider restricting access to the setDiagnosisCfg function until a patch is available. Avoid using 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-2022-41526

Affected Products

Totolink Nr1800X

References · 4

• 🔥 https://brief-nymphea-813.notion.site/NR1800X-bof-setDiagnosisCfg-fcbc55a98e4b4bfbb94db610e666e834 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-41526 · Security Note
• https://osv.dev/vulnerability/CVE-2022-41526 · Vendor Advisory
• https://t.me/cibsecurity/50922 · Telegram Post