CVE-2022-30521
The LAN-side Web-Configuration Interface has Stack-based Buffer Overflow vulnerability in the D-Link Wi-Fi router firmware DIR-890L DIR890LA1_FW107b09.bin and previous versions.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
The LAN-side Web-Configuration Interface has Stack-based Buffer Overflow vulnerability in the D-Link Wi-Fi router firmware DIR-890L DIR890LA1_FW107b09.bin and previous versions. The function created at 0x17958 of /htdocs/cgibin will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users easily. The attackers can exploit the vulnerability to carry out arbitrary code by means of sending a specially constructed payload to port 49152.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 15.12% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- dlink/dir-890l firmware
- Source
- cve@mitre.org
References
- https://github.com/winmt/CVE/blob/main/DIR-890L/README.mdExploit, Third Party Advisory
- https://github.com/winmt/my-vuls/tree/main/DIR-890L
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
- https://github.com/winmt/CVE/blob/main/DIR-890L/README.mdExploit, Third Party Advisory
- https://github.com/winmt/my-vuls/tree/main/DIR-890L
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.