PT-2025-16339 · Totolink · Totolink A800R

Published 2025-04-15 · Updated 2025-04-29 · CVE-2025-28136

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 A800R version V4.1.2cu.5137 B20200730

Description A buffer overflow vulnerability was found in the downloadFile.cgi of TOTOLINK A800R. The issue allows for a potential buffer overflow.

Recommendations For TOTOLINK A800R version V4.1.2cu.5137 B20200730, as a temporary workaround, consider disabling the downloadFile.cgi until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2025-05796

CVE-2025-28136

Affected Products

Totolink A800R

References · 9

• 🔥 https://github.com/Zerone0x00/CVE/blob/main/TOTOLINK/CVE-2025-28136.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-28136 · Security Note
• https://osv.dev/vulnerability/CVE-2025-28136 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-05796 · Security Note
• https://twitter.com/CVEnew/status/1912147855554248795 · Twitter Post
• https://twitter.com/cybercronai/status/1912166707809988913 · Twitter Post
• https://sudsy-eyeliner-a59.notion.site/BufferOverflow-V4-1-2cu-5137_B20200730-19872b8cd95f80cf8df9f3abcb912554 · Note
• https://t.me/cvedetector/22953 · Telegram Post
• https://twitter.com/dailycve/status/1917291650113573053 · Twitter Post