CVE-2026-4180: d-link dir-816 Incorrect Privilege Assignment
Vulnerability summary
CVE-2026-4180 is a critical (CVSS 9.8) Incorrect Privilege Assignment vulnerability in d-link dir-816. EPSS estimates a 3.12% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-03-2026PublishedVulnerability first disclosed.
- 17-03-2026Last modifiedVulnerability information updated.
Description
A vulnerability was identified in D-Link DIR-816 1.10CNB05. The impacted element is an unknown function of the file redirect.asp of the component goahead. The manipulation of the argument token_id leads to improper access controls. The attack may be initiated remotely. The exploit is publicly available and might be used. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST5.5MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- CVE.orgCNA7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RDiffers
- NVDNIST7.5HighAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS trend
Probability
3.12%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
+1.76 pp
From 1.36% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMy Vuln
Maturity: poc
Weaknesses
CWE · root causeAffected systems
D-link1 product
- dir-8161.10CNB05
Dlink1 product
- dir-816_firmware1.10cnb05
2 vendors · 2 products
References
5 links- www.dlink.comProduct