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Vulnerability record · CVE-2025-55613 · published 22 August 2025

CVE-2025-55613: Tenda o3 firmware classic buffer overflow vulnerability

Tenda · O3 Firmware

Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac parameter.

9.8 CVSS 3.1 Critical EPSS 0.56% · top 55.7% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac parameter.

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

Affected products

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

References

LinkTags
https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_58/58.md ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2024-36604Tenda o3 firmware command injection vulnerabilityTenda O3V2 v1.0.0.12(3880) was discovered to contain a Blind Command Injection via stpEn parameter in the SetStp function. This vulnerability allows …EPSS 2.0%8.7CVE-2024-7152Tenda o3 firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Tenda O3 1.0.0.10(2478). It has been rated as critical. This issue affects the function fromSafeSetMacFilter of the file…EPSS 1.3%8.7CVE-2024-7151Tenda o3 firmware stack-based buffer overflow vulnerabilityA vulnerability was found in Tenda O3 1.0.0.10(2478). It has been declared as critical. This vulnerability affects the function fromMacFilterSet of t…EPSS 1.1%7.4CVE-2025-7421Tenda o3 firmware memory buffer overflow vulnerabilityA vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been rated as critical. This issue affects the function fromMacFilterModify of the fil…EPSS 0.82%7.4CVE-2025-7422Tenda o3 firmware memory buffer overflow vulnerabilityA vulnerability classified as critical has been found in Tenda O3V2 1.0.0.12(3880). Affected is the function setAutoReboot of the file /goform/setNet…EPSS 0.82%7.4CVE-2025-7423Tenda o3 firmware memory buffer overflow vulnerabilityA vulnerability classified as critical was found in Tenda O3V2 1.0.0.12(3880). Affected by this vulnerability is the function formWifiMacFilterSet of…EPSS 0.82%7.4CVE-2025-7420Tenda o3 firmware memory buffer overflow vulnerabilityA vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been declared as critical. This vulnerability affects the function formWifiBasicSet of…EPSS 0.82%7.4CVE-2025-7419Tenda o3 firmware memory buffer overflow vulnerabilityA vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been classified as critical. This affects the function fromSpeedTestSet of the file /g…EPSS 0.82%

Source: NIST National Vulnerability Database (record CVE-2025-55613), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.