How severe is CVE-2025-12596?

CVE-2025-12596 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-2025-12596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12596?

CVE-2025-12596 affects Tenda Ac23 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12596?

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-2025-12596 have an EU (EUVD) identifier?

Yes. CVE-2025-12596 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37441.

When was CVE-2025-12596 published?

CVE-2025-12596 was published on 2025-11-02 and last updated on 2026-06-17.

CVE-2025-12596

CVE-2025-12596 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37441
Weakness: CWE-120
Affected product: Tenda Ac23 Firmware
Published: 2025-11-02
Last modified: 2026-06-17

Description

A security vulnerability has been detected in Tenda AC23 16.03.07.52. Affected is the function saveParentControlInfo of the file /goform/saveParentControlInfo. Such manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

Frequently asked questions

What is CVE-2025-12596?: A security vulnerability has been detected in Tenda AC23 16.03.07.52. Affected is the function saveParentControlInfo of the file /goform/saveParentControlInfo. Such manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
How severe is CVE-2025-12596?: CVE-2025-12596 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-2025-12596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12596?: CVE-2025-12596 affects Tenda Ac23 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12596?: 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-2025-12596 have an EU (EUVD) identifier?: Yes. CVE-2025-12596 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37441.
When was CVE-2025-12596 published?: CVE-2025-12596 was published on 2025-11-02 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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