PT-2025-30740 · Totolink · Totolink A702R

Panda_0X1 · Published 2025-07-22 · Updated 2025-07-30 · CVE-2025-8139

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 issue exists in the HTTP POST Request Handler component of the software. The vulnerability is due to a buffer overflow caused by the manipulation of the service type argument within the /boafrm/formPortFw file. 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-119

CWE-120

Related Identifiers

BDU:2025-09090

CVE-2025-8139

Affected Products

Totolink A702R

References · 13

• 🔥 https://github.com/panda666-888/vuls/blob/main/totolink/a702r/formPortFw.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-8139 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-8139 · Security Note
• https://bdu.fstec.ru/vul/2025-09090 · Security Note
• https://vuldb.com/?ctiid.317535 · Note
• https://t.me/cveNotify/130080 · Telegram Post
• https://twitter.com/CVEnew/status/1948667364062711881 · Twitter Post
• https://totolink.net · Note
• https://vuldb.com/?id.317535 · Note
• https://twitter.com/VulmonFeeds/status/1948705683974615274 · Twitter Post
• https://twitter.com/CveFindCom/status/1948672105412796816 · Twitter Post
• https://vuldb.com/?submit.620485 · Note
• https://twitter.com/cracbot/status/1950511747674021959 · Twitter Post