CVE-2018-20305
9.8
CRITICAL · CVSS 3.0 · EPSS 4.1% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
D-Link DIR-816 A2 1.10 B05 devices allow arbitrary remote code execution without authentication via the newpass parameter. In the /goform/form2userconfig.cgi handler function, a long password may lead to a stack-based buffer overflow and overwrite a return address.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.07% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-12-20 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| d-link | dir-816 a2 firmware |
| dlink | dir-816 a2 |
References
→ the Explorer · watch your stack · NVD