How severe is CVE-2025-6113?

CVE-2025-6113 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-2025-6113 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6113?

CVE-2025-6113 affects Tenda Fh1203 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6113?

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-2025-6113 have an EU (EUVD) identifier?

Yes. CVE-2025-6113 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18378.

When was CVE-2025-6113 published?

CVE-2025-6113 was published on 2025-06-16 and last updated on 2026-06-17.

CVE-2025-6113

CVE-2025-6113 is a high-severity vulnerability in Tenda Fh1203 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% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18378
Weakness: CWE-119
Affected product: Tenda Fh1203 Firmware
Published: 2025-06-16
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in Tenda FH1203 2.0.1.6. Affected is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-6113?: A vulnerability, which was classified as critical, was found in Tenda FH1203 2.0.1.6. Affected is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-6113?: CVE-2025-6113 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-2025-6113 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6113?: CVE-2025-6113 affects Tenda Fh1203 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6113?: 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-2025-6113 have an EU (EUVD) identifier?: Yes. CVE-2025-6113 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18378.
When was CVE-2025-6113 published?: CVE-2025-6113 was published on 2025-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:fh1203_firmware:2.0.1.6:*:*:*:*:*:*:*

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