VulnerabilityModified
CVE-2021-27114
Within the handler function of the /goform/addassignment route, a very long text entry for the"'s_ip" and "s_mac" fields could lead to a Stack-Based Buffer Overflow and overwrite the return address.
CRITICAL 9.8EPSS 24.6%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 24.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/addassignment route, a very long text entry for the"'s_ip" and "s_mac" fields could lead to a Stack-Based Buffer Overflow and overwrite the return address.
- 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
- 24.55% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- dlink/dir-816 firmware
- Source
- cve@mitre.org
References
- https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.mdExploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
- https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.mdExploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.