PT-2025-44655 · Totolink · Totolink A7000R

Published 2025-10-31 · Updated 2025-11-01 · CVE-2025-63459

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 A7000R version 9.1.0u.6115 B20201022

Description The Totolink A7000R device has a stack overflow issue. This occurs through the ssid5g parameter within the sub 421CF0 function. A specially crafted request can trigger this, leading to a Denial of Service (DoS). The ssid5g parameter is the vulnerable component.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Exploit

Fix

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2025-13833

CVE-2025-63459

Affected Products

Totolink A7000R

References · 7

• 🔥 https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/5/1.md · Exploit
• https://bdu.fstec.ru/vul/2025-13833 · Security Note
• https://osv.dev/vulnerability/CVE-2025-63459 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-63459 · Security Note
• https://twitter.com/CVEnew/status/1984337736166490220 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1984413681480773958 · Twitter Post
• https://t.me/CVEtracker/36335 · Telegram Post