CVE-2025-15391: d-link dir-806a Injection
Vulnerability summary
CVE-2025-15391 is a critical (CVSS 9.8) Injection vulnerability in d-link dir-806a. EPSS estimates a 4.17% chance of exploitation in the next 30 days, higher than 90.7% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 31-12-2025PublishedVulnerability first disclosed.
- 02-01-2026Last modifiedVulnerability information updated.
Description
A weakness has been identified in D-Link DIR-806A 100CNb11. Affected is the function ssdpcgi_main of the component SSDP Request Handler. This manipulation causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST2.1LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/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.orgCNA6.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RDiffers
- NVDNIST6.5MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS trend
Probability
4.17%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
-0.26 pp
From 4.43% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve
Maturity: poc
Weaknesses
CWE · root cause- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
Affected systems
D-link1 product
- dir-806a100CNb11
Dlink1 product
- dir-806a_firmware100cnb11
2 vendors · 2 products
References
5 links- github.com/ccc-iotsec/cve-/blob/D-Link/D-Link%20DIR-806A%E6%9C%AA%E6%8E%88%E6%9D%83RCE.mdExploitThird Party Advisory
- www.dlink.comProduct