CVE-2019-6258
9.8
CRITICAL · CVSS 3.1 · EPSS 2.6% (pctl 85)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a /HNAP1/SetClientInfo HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.62% — more likely to be exploited than 85% of all CVEs |
| Weakness | CWE-120 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-08-18 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| d-link | dir-822 firmware |
| dlink | dir-822 |
References
→ the Explorer · watch your stack · NVD