VulnerabilityAnalyzed

CVE-2026-5214

HIGH 7.4EPSS 0.71%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability was found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. Impacted is the function cgi_addgroup_get_group_quota_minsize of the file /cgi-bin/account_mgr.cgi. The manipulation of the argument Name results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

CVSS 4.0: 7.4 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.71% probability · 52th percentile
CISA KEV: Not listed
Weakness: CWE-119, CWE-121, CWE-787
Affected: dlink/dnr-202l firmware · dlink/dnr-326 firmware · dlink/dns-1100-4 firmware · dlink/dns-120 firmware · dlink/dns-1200-05 firmware · dlink/dns-1550-04 firmware · dlink/dns-315l firmware · dlink/dns-320 firmware · dlink/dns-320l firmware · dlink/dns-320lw firmware · dlink/dns-321 firmware · dlink/dns-322l firmware · dlink/dns-323 firmware · dlink/dns-325 firmware · dlink/dns-326 firmware · dlink/dns-327l firmware · dlink/dns-340l firmware · dlink/dns-343 firmware · dlink/dns-345 firmware · dlink/dns-726-4 firmware
Source: cna@vuldb.com

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_169/169.mdExploit, Third Party Advisory
https://vuldb.com/submit/780439Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354349Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354349/ctiPermissions Required, VDB Entry
https://www.dlink.com/Product

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.