How severe is CVE-2025-11418?

CVE-2025-11418 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-11418 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-11418?

CVE-2025-11418 affects Tenda Ch22 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-11418?

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

Does CVE-2025-11418 have an EU (EUVD) identifier?

Yes. CVE-2025-11418 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31856.

When was CVE-2025-11418 published?

CVE-2025-11418 was published on 2025-10-08 and last updated on 2026-06-17.

CVE-2025-11418

CVE-2025-11418 is a critical-severity vulnerability in Tenda Ch22 Firmware with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
CVSS v4: 8.9
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31856
Weakness: CWE-119
Affected product: Tenda Ch22 Firmware
Published: 2025-10-08
Last modified: 2026-06-17

Description

A security vulnerability has been detected in Tenda CH22 up to 1.0.0.1. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component HTTP Request Handler. The manipulation of the argument mit_ssid_index leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Frequently asked questions

What is CVE-2025-11418?: A security vulnerability has been detected in Tenda CH22 up to 1.0.0.1. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component HTTP Request Handler. The manipulation of the argument mit_ssid_index leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
How severe is CVE-2025-11418?: CVE-2025-11418 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-11418 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-11418?: CVE-2025-11418 affects Tenda Ch22 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-11418?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-11418 have an EU (EUVD) identifier?: Yes. CVE-2025-11418 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31856.
When was CVE-2025-11418 published?: CVE-2025-11418 was published on 2025-10-08 and last updated on 2026-06-17.

References

Affected products (1)

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

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-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…
CVE-2026-5204 — High (CVSS 8.8): A vulnerability was determined in Tenda CH22 1.0.0.1. Affected is the function formWebTypeLibrary of the file…

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