PatchTheCVEasr1803 firmware vulnerabilities and fixes
Recent CVEs affecting asr1803 firmware, with upgrade or downgrade steps. 1 tracked.
Also searched as: asr1803firmware.
asr1803 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-30. Highest priority: CVE-2026-42799 (score 31/100).
- CVE-2026-42799 HIGH 7.4 UPGRADE Out-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers. This vulnerability
FAQ
How do I fix asr1803 firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is asr1803 firmware being exploited right now?
None of the tracked asr1803 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which asr1803 firmware CVE should I patch first?
CVE-2026-42799 currently ranks highest (31/100): Out-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers. This vulnerability .