RCE in Dlink Dir-846
CVE-2021-46314
A Remote Command Execution (RCE) vulnerability exists in HNAP1/control/SetNetworkTomographySettings.php of D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin because backticks can be used for command injection when judging whether it is a reasonable domain name.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.333 (98.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.333 · newest: 0.333 · change: 0.000
Affected products
- Dlink Dir-846 — versions a1
- Dlink Dir-846 Firmware — versions 100a43, 100a53dla
Weakness classification (CWE)
References
- www.dlink.com/en/security-bulletin/ (Vendor Advisory)
- github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injec… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-46314?
- CVE-2021-46314 is a critical-severity vulnerability in Dlink Dir-846, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-02-17.
- How severe is CVE-2021-46314?
- Critical severity. CVSS v3 base score is 9.8 out of 10.