CVE-2025-4823: TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formReflashClientTbl submit-url buffer overflow
Description
A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been rated as critical. Affected by this issue is the function submit-url of the file /boafrm/formReflashClientTbl of the component HTTP POST Request Handler. The manipulation 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 ausgemacht. Hierbei geht es um die Funktion submit-url der Datei /boafrm/formReflashClientTbl der Komponente HTTP POST Request Handler. Durch Manipulieren mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.
Classification
CVE ID: CVE-2025-4823
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
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-2025-4823https://vuldb.com/?id.309284
https://vuldb.com/?ctiid.309284
https://vuldb.com/?submit.574593
https://github.com/CH13hh/tmp_store_cc/blob/main/toto/1.md
https://www.totolink.net/