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CVE-2025-4830: TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSysCmd buffer overflow

8.8 CVSS

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. Affected by this issue is some unknown functionality of the file /boafrm/formSysCmd of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Eine kritische Schwachstelle wurde in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615 entdeckt. Es geht hierbei um eine nicht näher spezifizierte Funktion der Datei /boafrm/formSysCmd der Komponente HTTP POST Request Handler. Durch das Beeinflussen des Arguments submit-url mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-4830

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-2025-4830
https://vuldb.com/?id.309296
https://vuldb.com/?ctiid.309296
https://vuldb.com/?submit.574600
https://github.com/CH13hh/tmp_store_cc/blob/main/toto/8.md
https://www.totolink.net/

Timeline