PT-2025-44650 · Totolink · Totolink Lr350

Published 2025-10-31 · Updated 2025-10-31 · CVE-2025-63469

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Totolink LR350 version 9.3.5u.6369 B20220309

Description The Totolink LR350 router firmware contains a stack overflow issue. This occurs through the ssid parameter within the sub 421BAC function. A crafted request can trigger this, leading to a Denial of Service (DoS).

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting or disabling the use of the ssid parameter until a patch is available.

Exploit

Fix

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2025-13843

CVE-2025-63469

Affected Products

Totolink Lr350

References · 7

• 🔥 https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/LR350/5/1.md · Exploit
• https://bdu.fstec.ru/vul/2025-13843 · Security Note
• https://osv.dev/vulnerability/CVE-2025-63469 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-63469 · Security Note
• https://t.me/CVEtracker/36325 · Telegram Post
• https://twitter.com/CVEnew/status/1984312797803737368 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1984303614169374845 · Twitter Post