How severe is CVE-2025-0869?

CVE-2025-0869 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-0869 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-0869?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-0869 have an EU (EUVD) identifier?

Yes. CVE-2025-0869 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1904.

When was CVE-2025-0869 published?

CVE-2025-0869 was published on 2025-01-30 and last updated on 2026-06-17.

CVE-2025-0869

CVE-2025-0869 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 5.3
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-1904
Weakness: CWE-79
Published: 2025-01-30
Last modified: 2026-06-17

Description

A vulnerability was found in Cianet ONU GW24AC up to 20250127. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Login. The manipulation of the argument browserLang leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-0869?: A vulnerability was found in Cianet ONU GW24AC up to 20250127. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Login. The manipulation of the argument browserLang leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-0869?: CVE-2025-0869 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-0869 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-0869?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-0869 have an EU (EUVD) identifier?: Yes. CVE-2025-0869 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1904.
When was CVE-2025-0869 published?: CVE-2025-0869 was published on 2025-01-30 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
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CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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