How severe is CVE-2025-12233?

CVE-2025-12233 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-2025-12233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12233?

CVE-2025-12233 affects Tenda Ch22 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12233?

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-2025-12233 have an EU (EUVD) identifier?

Yes. CVE-2025-12233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36104.

When was CVE-2025-12233 published?

CVE-2025-12233 was published on 2025-10-27 and last updated on 2026-06-17.

CVE-2025-12233

CVE-2025-12233 is a high-severity vulnerability in Tenda Ch22 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: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-36104
Weakness: CWE-120
Affected product: Tenda Ch22 Firmware
Published: 2025-10-27
Last modified: 2026-06-17

Description

A flaw has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. Executing a manipulation of the argument page can lead to buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.

Frequently asked questions

What is CVE-2025-12233?: A flaw has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. Executing a manipulation of the argument page can lead to buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.
How severe is CVE-2025-12233?: CVE-2025-12233 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-2025-12233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12233?: CVE-2025-12233 affects Tenda Ch22 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12233?: 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-2025-12233 have an EU (EUVD) identifier?: Yes. CVE-2025-12233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36104.
When was CVE-2025-12233 published?: CVE-2025-12233 was published on 2025-10-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ch22_firmware:1.0.0.1:*:*:*:*:*:*:*

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CVE-2024-46045 — Critical (CVSS 9.8): Tenda CH22 V1.0.0.6(468) has a stack overflow vulnerability located in the frmL7PlotForm function.
CVE-2024-46044 — Critical (CVSS 9.8): CH22 V1.0.0.6(468) has a stack overflow vulnerability located in the fromqossetting function.
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