CVE-2025-2838 json
Silicon Labs Gecko OS DNS Response Processing Infinite Loop Denial-of-Service Vulnerability
published 2025-03-26 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-8257
- cvss
- 6.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
Silicon Labs Gecko OS DNS Response Processing Infinite Loop Denial-of-Service Vulnerability. This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the processing of DNS responses. The issue results from a logic error that can lead to an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-23392.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.5 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Silicon Labs Gecko OS
Classification
- Weakness
-
- CWE-835 Loop with Unreachable Exit Condition
References
-
community.silabs.com
/a45Vm0000000Atp
vendor-advisory, permissions-required
-
zerodayinitiative.com
/advisories/ZDI-24-872/
third-party-advisory
Sources
- CVE List CVE-2025-2838
- NVD CVE-2025-2838
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