How severe is CVE-2025-63206?

CVE-2025-63206 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-2025-63206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63206?

CVE-2025-63206 primarily affects Dasannetworks Ds2924 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-63206?

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-2025-63206 have an EU (EUVD) identifier?

Yes. CVE-2025-63206 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198190.

When was CVE-2025-63206 published?

CVE-2025-63206 was published on 2025-11-19 and last updated on 2026-06-17.

CVE-2025-63206

CVE-2025-63206 is a critical-severity vulnerability in Dasannetworks Ds2924 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198190
Weakness: CWE-306
Affected product: Dasannetworks Ds2924 Firmware
Published: 2025-11-19
Last modified: 2026-06-17

Description

An authentication bypass issue was discovered in Dasan Switch DS2924 web based interface, firmware versions 1.01.18 and 1.02.00, allowing attackers to gain escalated privileges via storing crafted cookies in the web browser.

Frequently asked questions

What is CVE-2025-63206?: An authentication bypass issue was discovered in Dasan Switch DS2924 web based interface, firmware versions 1.01.18 and 1.02.00, allowing attackers to gain escalated privileges via storing crafted cookies in the web browser.
How severe is CVE-2025-63206?: CVE-2025-63206 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-2025-63206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63206?: CVE-2025-63206 primarily affects Dasannetworks Ds2924 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-63206?: 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-2025-63206 have an EU (EUVD) identifier?: Yes. CVE-2025-63206 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198190.
When was CVE-2025-63206 published?: CVE-2025-63206 was published on 2025-11-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:dasannetworks:ds2924_firmware:1.01.18:*:*:*:*:*:*:*
cpe:2.3:o:dasannetworks:ds2924_firmware:1.02.00:*:*:*:*:*:*:*

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