wsr3600be4-kh firmware vulnerabilities and fixes
Recent CVEs affecting wsr3600be4-kh firmware, with upgrade or downgrade steps. 5 tracked.
Also searched as: wsr3600be4 kh firmware, wsr3600be4-khfirmware.
wsr3600be4-kh firmware has 5 tracked vulnerabilities, 3 critical. A fixed release or vendor patch exists for 5. Most recent: 2026-03-27. Highest priority: CVE-2026-27650 (score 54/100).
- CVE-2026-33366 MEDIUM 5.3 UPGRADE UPGRADE Missing authentication for critical function vulnerability in BUFFALO Wi-Fi router products may allow an attac
- CVE-2026-27650 CRITICAL 9.8 UPGRADE UPGRADE OS Command Injection vulnerability exists in BUFFALO Wi-Fi router products
- CVE-2026-33280 CRITICAL 9.8 UPGRADE UPGRADE Hidden functionality issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to gain access
- CVE-2026-32669 CRITICAL 9.8 UPGRADE UPGRADE Code injection vulnerability exists in BUFFALO Wi-Fi router products
- CVE-2026-32678 HIGH 7.5 MITIGATE UPGRADE Authentication bypass issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to alter crit
FAQ
How do I fix wsr3600be4-kh 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 wsr3600be4-kh firmware being exploited right now?
None of the tracked wsr3600be4-kh firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which wsr3600be4-kh firmware CVE should I patch first?
CVE-2026-27650 currently ranks highest (54/100): OS Command Injection vulnerability exists in BUFFALO Wi-Fi router products.