D-Link DIR-816 A2 WiFi Settings form2AdvanceSetup.cgi access control

published 2025-01-02 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-51345

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

A vulnerability, which was classified as critical, was found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210. Affected is an unknown function of the file /goform/form2AdvanceSetup.cgi of the component WiFi Settings Handler. The manipulation leads to improper access controls. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 22 mo ago (2025-01-02)

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Unauthorized_Vulnerability/D-Link/DIR-816/form2AdvanceSetup.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CNA	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CNA	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

D-Link DIR-816 A2

Classification

Weakness

CWE-284 Improper Access Control
CWE-266 Incorrect Privilege Assignment

References

github.com /abcdefg-png/IoT-vulnerable/blob/main/Unauthorized_Vulnerability/D-Link/DIR-816/form2AdvanceSetup.md
exploit, broken-link
vuldb.com /?id.289920
vdb-entry, third-party-advisory
vuldb.com /?ctiid.289920
signature, permissions-required
vuldb.com /?submit.472076
third-party-advisory, vdb-entry
dlink.com /
product

Sources

CVE List CVE-2024-13104
NVD CVE-2024-13104

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary