CVE-2026-5215 | D-Link DNS-1550-04 up to 20260205 /cgi-bin/network_mgr.cgi cgi_get_ipv6 access control

VDB-354351 · CVE-2026-5215 · GCVE-100-354351 D-LINK DNS-1550-04 UP TO 20260205 /CGI-BIN/NETWORK_MGR.CGI CGI_GET_IPV6 ACCESS CONTROL HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.9 $0-$5k 1.37+ Summaryinfo A vulnerability marked as critical has been reported 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. This affects the function cgi_get_ipv6 of the file /cgi-bin/network_mgr.cgi. Performing a manipulation results in access control. This vulnerability is identified as CVE-2026-5215. Additionally, an exploit exists. Detailsinfo A vulnerability, which was classified as problematic, 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. This affects the function cgi_get_ipv6 of the file /cgi-bin/network_mgr.cgi. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-5215. The exploitability is told to be easy. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/31/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. The exploit is shared for download at github.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor D-Link Name DNR-202L DNR-322L DNR-326 DNS-120 DNS-315L DNS-320 DNS-320L DNS-320LW DNS-321 DNS-323 DNS-325 DNS-326 DNS-327L DNS-340L DNS-343 DNS-345 DNS-726-4 DNS-1100-4 DNS-1200-05 DNS-1550-04 Version 20260205 License commercial Website Vendor: https://www.dlink.com/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.3 VulDB Meta Temp Score: 3.9 VulDB Base Score: 4.3 VulDB Temp Score: 3.9 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Access control CWE: CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/31/2026 Advisory disclosed 03/31/2026 +0 days VulDB entry created 03/31/2026 +0 days VulDB entry last update Sourcesinfo Vendor: dlink.com Advisory: github.com Status: Not defined CVE: CVE-2026-5215 (🔒) GCVE (CVE): GCVE-0-2026-5215 GCVE (VulDB): GCVE-100-354351 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/31/2026 12:35 Changes: 03/31/2026 12:35 (55) Complete: 🔍 Submitter: Ziyue Xie Cache ID: 99:9BA:101 Submitinfo Accepted Submit #780440: D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls (by Ziyue Xie) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸