What is the CVSS score of CVE-2026-24426?

CVE-2026-24426 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Ac7 Firmware are affected by CVE-2026-24426?

CVE-2026-24426 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

How to fix or mitigate CVE-2026-24426?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Ac7 Firmware CVE-2026-24426

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-02-03 disclosure@vulncheck.com

XSS Ac7 Firmware

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Feb 03, 2026 - 19:16 nvd

MEDIUM 6.1

DescriptionCVE.org

Shenzhen Tenda AC7 firmware version V03.03.03.01_cn and prior contain an improper output encoding vulnerability in the web management interface. User-supplied input is reflected in HTTP responses without adequate escaping, allowing injection of arbitrary HTML or JavaScript in a victim’s browser context.

AnalysisAI

The Tenda AC7 firmware web management interface fails to properly sanitize user input, enabling reflected cross-site scripting (XSS) attacks that can inject malicious scripts into a victim's browser. An unauthenticated attacker can exploit this vulnerability to steal session cookies, perform unauthorized actions, or redirect users to malicious sites. No patch is currently available for affected firmware versions V03.03.03.01_cn and earlier.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the web management component of Ac7 Firmware. Shenzhen Tenda AC7 firmware version V03.03.03.01_cn and prior contain an improper output encoding vulnerability in the web management interface. User-supplied input is reflected in HTTP responses without adequate escaping, allowing injection of arbitrary HTML or JavaScript in a victim’s browser context.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.