Description
D-Link DIR-816A2_FWv1.10CNB05 was discovered to contain a stack overflow via the statuscheckpppoeuser parameter in the dir_setWanWifi function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
Affected products
dlink: dir-816 firmware; dlink: dir-816
References3
- www.dlink.com/en/security-bulletin/ Vendor Advisory
- github.com/Flechao1/iot-vuln/blob/main/dlink-816-b05.md ExploitThird Party Advisory
- github.com/peris-navince/founded-0-days/blob/main/Dlink/816/dir… ExploitThird Party Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 6% percentile: 93 · as of 9 November 2026
- CWE
- CWE-121
Could this be exploited in your environment?
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