CVE-2026-24426
CVE-2026-24426 is a medium-severity vulnerability in Tenda Ac7 Firmware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v4: 5.1
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-5183
- Weakness: CWE-79
- Affected product: Tenda Ac7 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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. User-supplied input is reflected in HTTP responses without adequate escaping, allowing injection of arbitrary HTML or JavaScript in a victim’s browser context.
- How severe is CVE-2026-24426?
- CVE-2026-24426 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-24426 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-24426?
- CVE-2026-24426 affects Tenda Ac7 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-24426?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-24426 have an EU (EUVD) identifier?
- Yes. CVE-2026-24426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5183.
- When was CVE-2026-24426 published?
- CVE-2026-24426 was published on 2026-02-03 and last updated on 2026-06-17.
References
- https://www.tendacn.com/product/AC7
- https://www.vulncheck.com/advisories/tenda-ac7-reflected-xss-via-web-interface-output-encoding
Affected products (1)
- cpe:2.3:o:tenda:ac7_firmware:*:*:*:*:*:*:*:*
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