How severe is CVE-2025-1492?

CVE-2025-1492 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-1492 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1492?

CVE-2025-1492 affects Wireshark. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-1492?

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-2025-1492 have an EU (EUVD) identifier?

Yes. CVE-2025-1492 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4634.

When was CVE-2025-1492 published?

CVE-2025-1492 was published on 2025-02-20 and last updated on 2026-06-17.

CVE-2025-1492

CVE-2025-1492 is a high-severity vulnerability in Wireshark with a CVSS 3.x base score of 7.8. 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-674.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4634
Weakness: CWE-674
Affected product: Wireshark
Published: 2025-02-20
Last modified: 2026-06-17

Description

Bundle Protocol and CBOR dissector crashes in Wireshark 4.4.0 to 4.4.3 and 4.2.0 to 4.2.10 allows denial of service via packet injection or crafted capture file

Frequently asked questions

What is CVE-2025-1492?: Bundle Protocol and CBOR dissector crashes in Wireshark 4.4.0 to 4.4.3 and 4.2.0 to 4.2.10 allows denial of service via packet injection or crafted capture file
How severe is CVE-2025-1492?: CVE-2025-1492 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-1492 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1492?: CVE-2025-1492 affects Wireshark. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1492?: 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-2025-1492 have an EU (EUVD) identifier?: Yes. CVE-2025-1492 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4634.
When was CVE-2025-1492 published?: CVE-2025-1492 was published on 2025-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

More vulnerabilities in Wireshark

CVE-2011-0444 — Critical (CVSS 10.0): Buffer overflow in the MAC-LTE dissector (epan/dissectors/packet-mac-lte.c) in Wireshark 1.2.0 through 1.2.13 and 1.4.0…
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CVE-2009-1266 — Critical (CVSS 10.0): Unspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.
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CVE-2008-3146 — Critical (CVSS 10.0): Multiple buffer overflows in packet_ncp2222.inc in Wireshark (formerly Ethereal) 0.9.7 through 1.0.2 allow attackers to…

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