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CVE-2025-4809: Tenda AC7 setMacFilterCfg fromSafeSetMacFilter stack-based overflow

8.8 CVSS

Description

A vulnerability was found in Tenda AC7 15.03.06.44. It has been classified as critical. Affected is the function fromSafeSetMacFilter of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to stack-based 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 Tenda AC7 15.03.06.44 ausgemacht. Betroffen hiervon ist die Funktion fromSafeSetMacFilter der Datei /goform/setMacFilterCfg. Durch Beeinflussen des Arguments deviceList mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-4809

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

Stack-based Buffer Overflow Memory Corruption

Affected Products

Vendor: Tenda

Product: AC7

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.08% (probability of being exploited)

EPSS Percentile: 24.6% (scored less or equal to compared to others)

EPSS Date: 2025-06-14 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4809
https://vuldb.com/?id.309264
https://vuldb.com/?ctiid.309264
https://vuldb.com/?submit.573642
https://lavender-bicycle-a5a.notion.site/Tenda-AC7-fromSafeSetMacFilter-1ed53a41781f80cbbf13c8d4cc405ed1?pvs=4
https://www.tenda.com.cn/

Timeline