What is CVE-2022-41521?

CVE-2022-41521 is a high-severity vulnerability in Totolink Nr1800x, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-10-06.

How severe is CVE-2022-41521?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Totolink Nr1800x

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.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (55.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink Nr1800x
Totolink Nr1800x_firmware — versions 9.1.0u.6279_b20210910
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-41521?: CVE-2022-41521 is a high-severity vulnerability in Totolink Nr1800x, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-10-06.
How severe is CVE-2022-41521?: High severity. CVSS v3 base score is 8.8 out of 10.