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Vulnerability record · CVE-2025-52054 · published 28 August 2025

CVE-2025-52054: Tenda ac8 firmware improper authentication vulnerability

Tenda · Ac8 Firmware

An issue was discovered in Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless Router AC8v4.0 Firmware 16.03.33.05. The root password of the device is calculated with a static string and the last two octets of the MAC address of the device. This allows an unauthenticated attacker to authenticate with network services on the device.

5.3 CVSS 3.1 Medium EPSS 0.32% · top 77.0% CWE-287 · Improper authentication
5.3CVSS 3.1 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
26 Sep 2026Last modified by NVD

Description

An issue was discovered in Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless Router AC8v4.0 Firmware 16.03.33.05. The root password of the device is calculated with a static string and the last two octets of the MAC address of the device. This allows an unauthenticated attacker to authenticate with network services on the device.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.virtualhackinglabs.com/advisories/cve-2025-52054-tenda-ac8-calculated-root-password/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-29100Tenda ac8 firmware stack-based buffer overflow vulnerabilityTenda AC8 V16.03.34.06 is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the parameter list.EPSS 0.62%9.8CVE-2025-25663Tenda ac8 firmware out-of-bounds write vulnerabilityA vulnerability was found in Tenda AC8V4 V16.03.34.06. Affected is the function SUB_0046AC38 of the file /goform/WifiExtraSet. The manipulation of th…EPSS 0.55%9.8CVE-2025-25668Tenda ac8 firmware classic buffer overflow vulnerabilityTenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the shareSpeed parameter in the sub_47D878 function.EPSS 0.55%9.8CVE-2025-25664Tenda ac8 firmware out-of-bounds write vulnerabilityTenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the shareSpeed parameter in the sub_49E098 function.EPSS 0.55%9.8CVE-2025-25667Tenda ac8 firmware classic buffer overflow vulnerabilityTenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the urls parameter in the function get_parentControl_list_Info.EPSS 0.57%9.8CVE-2024-57703Tenda ac8 firmware out-of-bounds write vulnerabilityTenda AC8v4 V16.03.34.06 has a stack overflow vulnerability. Affected by this vulnerability is the function setSchedWifi of the file /goform/openSche…EPSS 0.56%9.8CVE-2024-46652Tenda ac8 firmware out-of-bounds write vulnerabilityTenda AC8v4 V16.03.34.06 has a stack overflow vulnerability in the fromAdvSetMacMtuWan function.EPSS 0.57%9.8CVE-2023-48194Tenda ac8 firmware out-of-bounds write vulnerabilityVulnerability in Tenda AC8v4 .V16.03.34.09 due to sscanf and the last digit of s8 being overwritten with \x0. After executing set_client_qos, control…EPSS 0.65%

Source: NIST National Vulnerability Database (record CVE-2025-52054), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.