PT-2025-26879 · Totolink · Totolink A702R

Yuhongxiang · Published 2025-06-25 · Updated 2025-07-16 · CVE-2025-6627

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 TOTOLINK A702R router, specifically within the HTTP POST Request Handler component. The issue is a buffer overflow triggered by manipulating the submit-url parameter in a POST request to the /boafrm/formIpv6Setup endpoint. This can be exploited remotely to cause a denial-of-service condition. The exploit for this vulnerability has been publicly disclosed.

Recommendations TOTOLINK A702R version 4.0.0-B20230721.1521: 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:2025-07810

CVE-2025-6627

Affected Products

Totolink A702R

References · 14

• 🔥 https://github.com/d2pq/cve/blob/main/616/24.md · Exploit
• 🔥 https://github.com/d2pq/cve/blob/main/616/24.md#poc · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-6627 · Security Note
• https://bdu.fstec.ru/vul/2025-07810 · Security Note
• https://osv.dev/vulnerability/CVE-2025-6627 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1937957238674501895 · Twitter Post
• https://twitter.com/CVEnew/status/1937946870690812387 · Twitter Post
• https://t.me/cvetracker/27049 · Telegram Post
• https://totolink.net · Note
• https://twitter.com/CveFindCom/status/1937951480121618450 · Twitter Post
• https://vuldb.com/?id.313852 · Note
• https://vuldb.com/?submit.602292 · Note
• https://t.me/cvenotify/129228 · Telegram Post
• https://vuldb.com/?ctiid.313852 · Note