Buffer overflow in Totolink A3100r

CVE-2022-29641

TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the startTime and endTime parameters in the function setParentalRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-29641?
CVE-2022-29641 is a high-severity vulnerability in Totolink A3100r, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-05-18.
How severe is CVE-2022-29641?
High severity. CVSS v3 base score is 7.5 out of 10.