How severe is CVE-2025-11356?

CVE-2025-11356 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-11356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-11356?

CVE-2025-11356 affects Tenda Ac23 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-11356?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-11356 have an EU (EUVD) identifier?

Yes. CVE-2025-11356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32111.

When was CVE-2025-11356 published?

CVE-2025-11356 was published on 2025-10-07 and last updated on 2026-06-17.

CVE-2025-11356

CVE-2025-11356 is a high-severity vulnerability in Tenda Ac23 Firmware with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-32111
Weakness: CWE-119
Affected product: Tenda Ac23 Firmware
Published: 2025-10-07
Last modified: 2026-06-17

Description

A vulnerability was found in Tenda AC23 up to 16.03.07.52. Affected by this issue is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used.

Frequently asked questions

What is CVE-2025-11356?: A vulnerability was found in Tenda AC23 up to 16.03.07.52. Affected by this issue is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used.
How severe is CVE-2025-11356?: CVE-2025-11356 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-11356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-11356?: CVE-2025-11356 affects Tenda Ac23 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-11356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-11356 have an EU (EUVD) identifier?: Yes. CVE-2025-11356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32111.
When was CVE-2025-11356 published?: CVE-2025-11356 was published on 2025-10-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac23_firmware:16.03.07.52:*:*:*:*:*:*:*

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