CVE-2025-1103: high-severity vulnerability in D-Link DIR-823X
D-Link DIR-823X HTTP POST Request set_wifi_blacklists null pointer dereference
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
26Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 14%
A vulnerability, which was classified as problematic, was found in D-Link DIR-823X 240126/240802. This affects the function set_wifi_blacklists of the file /goform/set_wifi_blacklists of the component HTTP POST Request Handler. The manipulation of the argument macList leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
D-Link · DIR-823XRelated CVEs — D-Link DIR-823X
In the same product, most dangerous first.
CVE-2026-1125MEDIUMD-Link DIR-823X set_wifidog_settings sub_412E7C command injectionEPSS 15.7%CVE-2026-2142HIGHD-Link DIR-823X set_qos sub_420688 os command injectionEPSS 6.6%CVE-2026-2081MEDIUMD-Link DIR-823X set_password os command injectionEPSS 6.4%CVE-2025-10634MEDIUMD-Link DIR-823X Environment Variable goahead sub_412E7C command injectionEPSS 6.3%CVE-2026-2082MEDIUMD-Link DIR-823X set_mac_clone os command injectionEPSS 5.9%CVE-2026-2063MEDIUMD-Link DIR-823X Web Management set_ac_server os command injectionEPSS 5.3%
References
https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-set_wifi_blacklists-Vulnerability-1870448e619580e5bf09cf628692f7a9https://tasty-foxtrot-3a8.notion.site/D-link-DIR-823X-set_wifi_blacklists-Vulnerability-1870448e619580e5bf09cf628692f7a9?pvs=73https://vuldb.com/?ctiid.294933https://vuldb.com/?id.294933https://vuldb.com/?submit.489603https://www.dlink.com/