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% (9th 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.

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% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5183
Weakness: CWE-79
Affected product: Tenda Ac7 Firmware
Published: 2026-02-03
Last modified: 2026-06-17

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% (9th 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

Affected products (1)

cpe:2.3:o:tenda:ac7_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac7 Firmware

CVE-2025-29135 — Critical (CVSS 9.8): A stack-based buffer overflow vulnerability in Tenda AC7 V15.03.06.44 allows a remote attacker to execute arbitrary…
CVE-2025-29137 — Critical (CVSS 9.8): Tenda AC7 V1.0 V15.03.06.44 found a buffer overflow caused by the timeZone parameter in the form_fast_setting_wifi_set…
CVE-2024-32301 — Critical (CVSS 9.8): Tenda AC7V1.0 v15.03.06.44 firmware has a stack overflow vulnerability via the PPW parameter in the fromWizardHandle…
CVE-2023-41562 — Critical (CVSS 9.8): Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were…
CVE-2023-41559 — Critical (CVSS 9.8): Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 V1.0RTL_V15.03.06.28 were discovered to…
CVE-2023-41558 — Critical (CVSS 9.8): Tenda AC7 V1.0 V15.03.06.44 was discovered to contain a stack overflow via parameter timeZone at url…

All CVEs affecting Tenda Ac7 Firmware →

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

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →