CVE-2025-4731

moderate-risk

Published 2025-05-16

A vulnerability classified as critical has been found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. This affects an unknown part of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument service_type/ip_subnet leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Do I need to act?

0.98% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (2)

A3002R Firmware

A3002Ru Firmware

Affected Vendors

Totolink

References (5)

Broken Link https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/4.md

Permissions Required https://vuldb.com/?ctiid.309033

Third Party Advisory https://vuldb.com/?id.309033

Third Party Advisory https://vuldb.com/?submit.570688

Product https://www.totolink.net/

/ 100

moderate-risk

Severity 30/34 · Critical

Exploitability 3/34 · Minimal

Exposure 7/34 · Low