CVE-2026-90693CWE-119CWE-121

CVE-2026-90693

Critical · published September 14, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
59.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · CVSS: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
EPSS
0.00909 · 59.6th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-09-14T12:16Z
References (7)
https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.md · [email protected]https://vuldb.com/cve/CVE-2026-90693 · [email protected]https://vuldb.com/submit/915573 · [email protected]https://vuldb.com/vuln/403226 · [email protected]https://vuldb.com/vuln/403226/cti · [email protected]https://www.dlink.com/ · [email protected]https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.md · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 15 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 14 SEP 07:15Z
    D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow
    cvelistv5