How severe is CVE-2025-5685?

CVE-2025-5685 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-2025-5685 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5685?

CVE-2025-5685 affects Tenda Ch22 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5685?

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-2025-5685 have an EU (EUVD) identifier?

Yes. CVE-2025-5685 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17025.

When was CVE-2025-5685 published?

CVE-2025-5685 was published on 2025-06-05 and last updated on 2026-06-17.

CVE-2025-5685

CVE-2025-5685 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 8.7
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17025
Weakness: CWE-787
Affected product: Tenda Ch22 Firmware
Published: 2025-06-05
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in Tenda CH22 1.0.0.1. This affects the function formNatlimit of the file /goform/Natlimit. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-5685?: A vulnerability, which was classified as critical, was found in Tenda CH22 1.0.0.1. This affects the function formNatlimit of the file /goform/Natlimit. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-5685?: CVE-2025-5685 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-2025-5685 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5685?: CVE-2025-5685 affects Tenda Ch22 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5685?: 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-2025-5685 have an EU (EUVD) identifier?: Yes. CVE-2025-5685 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17025.
When was CVE-2025-5685 published?: CVE-2025-5685 was published on 2025-06-05 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Tenda Ch22 Firmware

CVE-2025-11423 — Critical (CVSS 9.8): A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function formSafeEmailFilter of the file…
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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.
CVE-2026-5605 — High (CVSS 8.8): A weakness has been identified in Tenda CH22 1.0.0.1. This affects the function formWrlExtraSet of the file…
CVE-2026-5604 — High (CVSS 8.8): A security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formCertLocalPrecreate…

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