PT-2022-25908 · Totolink · Totolink Nr1800X

Published 2022-10-06 · Updated 2022-10-12 · CVE-2022-41521

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 related to an authenticated stack overflow. This occurs via the sPort/ePort parameter in the setIpPortFilterRules function.

Recommendations For TOTOLINK NR1800X version 9.1.0u.6279 B20210910, consider disabling the setIpPortFilterRules function until a patch is available to prevent exploitation of the authenticated stack overflow via the sPort/ePort parameter.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2022-41521

Affected Products

Totolink Nr1800X

References · 4

• 🔥 https://brief-nymphea-813.notion.site/NR1800X-bof-setIpPortFilterRules-fd99f83f37ad40fab7d7b376942633d2 · Exploit
• https://osv.dev/vulnerability/CVE-2022-41521 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-41521 · Security Note
• https://t.me/cibsecurity/50930 · Telegram Post