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Description

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A vulnerability was identified in Tenda AC15 15.13.07.13. Affected by this vulnerability is the function check_fw_type/split_fireware/check_fw of the component Firmware Update Handler. The manipulation leads to insufficient verification of data authenticity. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

Es geht um die Funktion check_fw_type/split_fireware/check_fw der Komponente Firmware Update Handler. Durch das Manipulieren mit unbekannten Daten kann eine insufficient verification of data authenticity-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Die Komplexität eines Angriffs ist eher hoch. Sie gilt als schwierig ausnutzbar. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-08-13 | Published 2025-08-14 | Updated 2025-08-14 | Assigner VulDB




HIGH: 7.5CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.6CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
MEDIUM: 6.6CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
6.8AV:N/AC:H/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Insufficient Verification of Data Authenticity

Product status

15.13.07.13
affected

Timeline

2025-08-13:Advisory disclosed
2025-08-13:VulDB entry created
2025-08-13:VulDB entry last update

Credits

IOT_Res (VulDB User) reporter

References

vuldb.com/?id.319975 (VDB-319975 | Tenda AC15 Firmware Update check_fw data authenticity) vdb-entry technical-description

vuldb.com/?ctiid.319975 (VDB-319975 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.628602 (Submit #628602 | Tenda AC15 V15.13.07.13 CWE-287 Improper Authentication) third-party-advisory

vuldb.com/?submit.628603 (Submit #628603 | Tenda AC15 V15.13.07.13 CWE-20 Improper Input Validation (Duplicate)) third-party-advisory

github.com/...T_Firmware_Update/blob/main/Tenda/AC15_Auth.md patch

github.com/...T_Firmware_Update/blob/main/Tenda/AC15_Inte.md exploit patch

www.tenda.com.cn/ product

cve.org (CVE-2025-8979)

nvd.nist.gov (CVE-2025-8979)

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