PT-2025-30736 · Totolink · Totolink A702R

Panda_0X1 · Published 2025-07-22 · Updated 2025-07-30 · CVE-2025-8136

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 A702R version 4.0.0-B20230721.1521

Description A critical vulnerability exists in the HTTP POST Request Handler component of TOTOLINK A702R. The vulnerability is due to a buffer overflow triggered by manipulating the ip6addr argument within a POST request to the /boafrm/formFilter endpoint. This allows for remote exploitation. The exploit has been publicly disclosed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

BDU:2025-09084

CVE-2025-8136

Affected Products

Totolink A702R

References · 14

• 🔥 https://github.com/panda666-888/vuls/blob/main/totolink/a702r/formFilter.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-8136 · Security Note
• https://bdu.fstec.ru/vul/2025-09084 · Security Note
• https://osv.dev/vulnerability/CVE-2025-8136 · Vendor Advisory
• https://twitter.com/CVEnew/status/1948644490123563083 · Twitter Post
• https://vuldb.com/?submit.620482 · Note
• https://totolink.net · Note
• https://twitter.com/CveFindCom/status/1948649475309805744 · Twitter Post
• https://twitter.com/cracbot/status/1950511740275630578 · Twitter Post
• https://vuldb.com/?id.317532 · Note
• https://vuldb.com/?ctiid.317532 · Note
• https://twitter.com/VulmonFeeds/status/1948646769350316113 · Twitter Post
• https://twitter.com/marcin_brz81183/status/1948698815160029378 · Twitter Post
• https://twitter.com/dailycve/status/1949847485561598228 · Twitter Post