PT-2025-27504 · Totolink · Totolink A702R

Ye Leipeng · Published 2025-06-28 · Updated 2025-07-17 · CVE-2025-6940

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 affects an unknown functionality of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The manipulation of the submit-url argument leads to a buffer overflow. The attack can be launched remotely.

Recommendations: For TOTOLINK A702R version 4.0.0-B20230721.1521, as a temporary workaround, consider restricting access to the /boafrm/formParentControl file to minimize the risk of exploitation. Avoid using the submit-url argument in the affected HTTP POST Request Handler until the issue is resolved. 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:2025-07809

CVE-2025-6940

Affected Products

Totolink A702R

References · 14

• 🔥 https://github.com/awindog/cve/blob/main/688/27.md · Exploit
• 🔥 https://github.com/awindog/cve/blob/main/688/27.md#poc · Exploit
• https://bdu.fstec.ru/vul/2025-07809 · Security Note
• https://osv.dev/vulnerability/CVE-2025-6940 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-6940 · Security Note
• https://vuldb.com/?ctiid.314461 · Note
• https://twitter.com/jmdevlabs/status/1945837677238001884 · Twitter Post
• https://vuldb.com/?id.314461 · Note
• https://vuldb.com/?submit.605861 · Note
• https://totolink.net · Note
• https://twitter.com/VulmonFeeds/status/1939897372844097800 · Twitter Post
• https://twitter.com/CveFindCom/status/1939884322183414148 · Twitter Post
• https://twitter.com/cracbot/status/1941814432885338595 · Twitter Post
• https://t.me/cvetracker/27487 · Telegram Post