PT-2025-17568 · Totolink · Totolink A950Rg+3

Published 2025-04-22 · Updated 2025-04-24 · CVE-2025-28029

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK A830R version 4.1.2cu.5182 B20201102 TOTOLINK A950RG version 4.1.2cu.5161 B20200903 TOTOLINK A3000RU version 5.9c.5185 B20201128 TOTOLINK A3100R version 4.1.2cu.5247 B20211129

Description A buffer overflow vulnerability was discovered in the cstecgi.cgi of the affected TOTOLINK devices.

Recommendations For TOTOLINK A830R version 4.1.2cu.5182 B20201102, consider disabling access to the cstecgi.cgi until a patch is available. For TOTOLINK A950RG version 4.1.2cu.5161 B20200903, consider disabling access to the cstecgi.cgi until a patch is available. For TOTOLINK A3000RU version 5.9c.5185 B20201128, consider disabling access to the cstecgi.cgi until a patch is available. For TOTOLINK A3100R version 4.1.2cu.5247 B20211129, consider disabling access to the cstecgi.cgi until a patch is available.

Exploit

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2025-12683

CVE-2025-28029

Affected Products

Totolink A3000Ru

Totolink A3100R

Totolink A830R

Totolink A950Rg

References · 7

• 🔥 https://locrian-lightning-dc7.notion.site/CVE-2025-28023-CVE-2025-28029-BufferOverflow5-1978e5e2b1a28043af78e5ccfc0203a0 · Exploit
• 🔥 https://locrian-lightning-dc7.notion.site/BufferOverflow5-1978e5e2b1a28043af78e5ccfc0203a0 · Exploit
• https://osv.dev/vulnerability/CVE-2025-28029 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-12683 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-28029 · Security Note
• https://twitter.com/cybercronai/status/1915258275450196355 · Twitter Post
• https://github.com/advisories/GHSA-286f-m35x-h7r5 · Note