How severe is CVE-2025-11117?

CVE-2025-11117 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-2025-11117 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-2025-11117?

CVE-2025-11117 affects Tenda Ch22 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-11117?

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-2025-11117 have an EU (EUVD) identifier?

Yes. CVE-2025-11117 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31473.

When was CVE-2025-11117 published?

CVE-2025-11117 was published on 2025-09-28 and last updated on 2026-06-17.

CVE-2025-11117

CVE-2025-11117 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-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-2025-31473
Weakness: CWE-119
Affected product: Tenda Ch22 Firmware
Published: 2025-09-28
Last modified: 2026-06-17

Description

A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formWrlExtraGet of the file /goform/GstDhcpSetSer. This manipulation of the argument dips causes buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Frequently asked questions

What is CVE-2025-11117?: A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formWrlExtraGet of the file /goform/GstDhcpSetSer. This manipulation of the argument dips causes buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
How severe is CVE-2025-11117?: CVE-2025-11117 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-2025-11117 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-2025-11117?: CVE-2025-11117 affects Tenda Ch22 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-11117?: 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-2025-11117 have an EU (EUVD) identifier?: Yes. CVE-2025-11117 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31473.
When was CVE-2025-11117 published?: CVE-2025-11117 was published on 2025-09-28 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…
CVE-2025-11418 — Critical (CVSS 9.8): A security vulnerability has been detected in Tenda CH22 up to 1.0.0.1. This issue affects the function formWrlsafeset…
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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