CVE-2021-45382
D-Link Multiple Routers: Remote Code Execution
As of , CVE-2021-45382 in D-Link Multiple Routers is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 4 April 2022
- US federal deadline
- 25 April 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.98Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.02 on 4 April 2022EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- No vendor link in CISA's entry
What CISA says to do
The impacted product is end-of-life and should be disconnected if still in use.
CISA's required action
What the flaw is
A remote code execution vulnerability exists in all series H/W revisions routers via the DDNS function in ncc2 binary file.
CISA's description
A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L, and DIR-836L routers via the DDNS function in ncc2 binary file. Note: DIR-810L, DIR-820L, DIR-830L, DIR-826L, DIR-836L, all hardware revisions, have reached their End of Life ("EOL") /End of Service Life ("EOS") Life-Cycle and as such this issue will not be patched.
The CVE record's description, from mitre
- CVE published
- 17 February 2022
- Assigned by
- mitre
- CVSS
- 9.8 Critical (CVSS 3.1, from CISA-ADP)
- CWE-78
- Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Multiple Routers: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2018-6530OS Command Injection | D-Link Multiple Routers | Patch this weekRansomware use; EPSS 0.97 | 0.97 | ||
| CVE-2019-16920Command Injection | D-Link Multiple Routers | Patch this weekEPSS 0.99 | 0.99 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org