What is CVE-2025-63463?

CVE-2025-63463 is a high-severity vulnerability in Totolink Lr350, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-10-31.

How severe is CVE-2025-63463?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Totolink Lr350

CVE-2025-63463

Totolink LR350 v9.3.5u.6369_B20220309 was discovered to contain a stack overflow via the wifiOff parameter in the sub_4232EC function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (31.2th 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

Totolink Lr350
Totolink Lr350_firmware — versions 9.3.5u.6369_b20220309
N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

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

Frequently asked questions

What is CVE-2025-63463?: CVE-2025-63463 is a high-severity vulnerability in Totolink Lr350, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-10-31.
How severe is CVE-2025-63463?: High severity. CVSS v3 base score is 7.5 out of 10.