Vulnerabilities

Security incident · CVE-2026-24426

Shenzhen Tenda AC7 firmware version V03.03.03.01_cn and prior contain an improper output encoding vulnerability in the web management interface.

Published Feb 3, 2026 · catalog updated May 25, 2026 · Shenzhen Tenda Technology Co., Ltd. Tenda AC7

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-24426. EPSS is 0.23%. Act only if a listed version of Shenzhen Tenda Technology Co., Ltd. Tenda AC7 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Vendor / distro source
Affected products
vendor Shenzhen Tenda Technology Co., Ltd. Tenda AC7 0 ≤03.03.03.01_cn

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Shenzhen Tenda Technology Co., Ltd. Tenda AC7 0 ≤03.03.03.01_cn0 ≤03.03.03.01_cn

How to fix CVE-2026-24426

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-24426. EPSS is 0.23%. Act only if a listed version of Shenzhen Tenda Technology Co., Ltd. Tenda AC7 is installed.

Which versions are affected?

Compare what you have installed with Shenzhen Tenda Technology Co., Ltd. Tenda AC7 0 ≤03.03.03.01_cn 0 ≤03.03.03.01_cn. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 3, 2026 · EUVD

    Detected

    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.

  2. May 25, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-24426

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-24426

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2026-5183

    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 v

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026