Cisco fixes vulnerability exploited to DoS its firewalls (CVE-2026-20349)
2026-08-13T08:51:39Z•8079a47967ab6cd0c9933084f0a7eb2ef939429e301c228f8ce37f0df916ad01
CVE-2026-20349CISA KEVCisco firewallsDDoSLazarus GroupNorth KoreaOperation Dream JobSalesforceServiceNowWiresharkactive exploitationcloud exposuredefense sectordenial of servicefile parser vulnerabilitiessocial engineeringzero-day
What happened
The feed reports active exploitation of Cisco firewall vulnerability CVE-2026-20349 causing denial of service; it is listed in CISA’s Known Exploited Vulnerabilities catalog. It also highlights Wireshark 4.6.8 fixes for 28 security bugs, long-running unauthorized access to Salesforce and ServiceNow portals, and a Lazarus campaign using fake job offers, trojanized software, and a Windows zero-day against defense-sector targets.
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- helpnetsecurity
- Record identifier
- 8079a47967ab6cd0c9933084f0a7eb2ef939429e301c228f8ce37f0df916ad01
- Enrichment time
- 2026-08-13T08:51:39Z
- AI-assisted enrichment
- Yes
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