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CVE-2025-4834: TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSetLg buffer overflow

8.8 CVSS

Description

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been classified as critical. Affected is an unknown function of the file /boafrm/formSetLg of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Es wurde eine kritische Schwachstelle in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615 ausgemacht. Es betrifft eine unbekannte Funktion der Datei /boafrm/formSetLg der Komponente HTTP POST Request Handler. Mit der Manipulation des Arguments submit-url mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-4834

CVSS Base Severity: HIGH

CVSS Base Score: 8.8

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types

Buffer Overflow Memory Corruption

Affected Products

Vendor: TOTOLINK

Product: A702R, A3002R, A3002RU

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.14% (probability of being exploited)

EPSS Percentile: 35.8% (scored less or equal to compared to others)

EPSS Date: 2025-06-15 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4834
https://vuldb.com/?id.309300
https://vuldb.com/?ctiid.309300
https://vuldb.com/?submit.574607
https://github.com/CH13hh/tmp_store_cc/blob/main/toto/12.md
https://www.totolink.net/

Timeline