CVE-2022-41521
HIGHCVSS 8.8/10EPSS 0.86%
Last modified
CVE-2022-41521 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the sPort/ePort parameter in the setIpPortFilterRules function.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.
Description
TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the sPort/ePort parameter in the setIpPortFilterRules function.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Totolink | Nr1800x Firmware | 9.1.0u.6279_b20210910 |
References
- https://brief-nymphea-813.notion.site/NR1800X-bof-setIpPortFilterRules-fd99f83f37ad40fab7d7b376942633d2Exploit, Third Party Advisory
- https://brief-nymphea-813.notion.site/NR1800X-bof-setIpPortFilterRules-fd99f83f37ad40fab7d7b376942633d2Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-41521?
TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the sPort/ePort parameter in the setIpPortFilterRules function.
How severe is CVE-2022-41521?
CVE-2022-41521 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2022-41521?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2022
- CVE-2022-41514Open Source SACCO Management System v1.0 was discovered to c…7.2
- CVE-2022-41515Open Source SACCO Management System v1.0 was discovered to c…7.2
- CVE-2022-41517TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…8.8
- CVE-2022-41518TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…9.8
- CVE-2022-4152The Contest Gallery WordPress plugin before 19.1.5, Contest …6.5
- CVE-2022-41520TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…8.8
- CVE-2022-41522TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…9.8
- CVE-2022-41523TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…8.8
- CVE-2022-41524TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…8.8
- CVE-2022-41525TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…9.8
- CVE-2022-41526TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…8.8
- CVE-2022-41527TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to co…8.8
Are you affected by CVE-2022-41521?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST