CVE-2023-25280: in the CISA KEV catalogue

D-Link DIR-820 Router OS Command Injection Vulnerability. CISA added CVE-2023-25280 to the Known Exploited Vulnerabilities catalogue on 2024-09-30 with a default due date of 2024-10-21. Known ransomware campaign use: Unknown. Forensic triage flag: No.

D-Link DIR-820 routers contain an OS command injection vulnerability that allows a remote, unauthenticated attacker to escalate privileges to root via a crafted payload with the ping_addr parameter to ping.ccp. (CISA description)

Vendor / product: D-Link DIR-820 Router
CWE: CWE-78
CISA required action: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
EPSS: 98%, percentile 99 (scored 2026-11-03)

EPSS puts about 98 in 100 odds (98%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Vendor and reference links (from CISA)

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.

Data dates. CISA KEV catalogue version 2026.11.03, released 2026-11-03, 1,767 entries (checked 2026-11-03). EPSS model v2026.06.15, scored 2026-11-03, 399,388 CVEs. Sources: CISA and FIRST (EPSS by FIRST; scores generated by Empirical Security). Copied to our own database and refreshed automatically; if a refresh fails, the previous copy keeps serving with its own date.

Frequently asked questions

Is CVE-2023-25280 in the CISA KEV catalogue?

Yes. CISA added CVE-2023-25280 (D-Link DIR-820 Router OS Command Injection Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2024-09-30. CISA's default due date for it is 2024-10-21.

Is CVE-2023-25280 used in ransomware attacks?

CISA marks known ransomware campaign use as Unknown for CVE-2023-25280. That means CISA lacks confirmation, not that ransomware groups do not use it.

What should I do about CVE-2023-25280?

CISA's required action: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

Sources

CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
NVD record for CVE-2023-25280