by Kastro
Paper/Archive/CVE-2026-90693

CVE-2026-90693

D-Link DIR-878 — D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow

EPSS 0.9%public exploitCVSS 9.9
critical.is priorityof 100
52
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 60.0.600 × 2012.0Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.

Affected

ProductAffectedFixed inSource
DIR-878120B05–CNA

Scores by source

VulDB (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
VulDB (CNA)9.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
VulDB (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

writeupvuldb.com/vuln/403226refvuldb.com/vuln/403226/ctiwriteupvuldb.com/cve/CVE-2026-90693writeupvuldb.com/submit/915573exploitgithub.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.mdrefdlink.com