CVE-2023-39780Vulnerability
ASUS RT-AX55 Routers OS Command Injection Vulnerability
Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .
Reported by 1 independent source · first reported by GreyNoise · last reported
Last reported 16 months ago
CISA KEVAdded 2 Jun 2025
Fix due 23 Jun 2025
Used by ransomware: not knownCISA KEV catalogue
Fix due 23 Jun 2025
Used by ransomware: not knownCISA KEV catalogue
EPSS39.5%
higher than 98% of CVEsFIRST EPSS, as of 23 Oct 2026
higher than 98% of CVEsFIRST EPSS, as of 23 Oct 2026
What the reports say
1 report, newest first · the exact sentence from each-
GreyNoise Discovers Stealthy Backdoor Campaign Affecting Thousands of ASUS Routers“Attackers exploit CVE-2023-39780, a command injection flaw, to execute system commands.”
Indicators reported together
named in the same reports- 101.99.91[.]151in 1 report
- 101.99.94[.]173in 1 report
- 79.141.163[.]179in 1 report
- 111.90.146[.]237in 1 report
Copy these 4 indicators · defanged
Thanks — we review every report.