D-Link DIR‑817L ssdpcgi lxmldbc_system command injection

published 2025-07-21 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-22123

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 5.9%; EPSS 5.9% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

A vulnerability classified as critical has been found in D-Link DIR‑817L up to 1.04B01. This affects the function lxmldbc_system of the file ssdpcgi. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Patch / fix

fixed in 1

dlink dir-817l_firmware 1.04b01

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 15 mo ago (2025-07-21)

Exploit prediction

5.92% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/Patr1ck-S/Patr1ck-S.github.io/blob/main/D-Link%20DIR%E2%80%91817L%20has%20a%20remote%20arbitrary%20command%20execution%20vulnerability%20in%20ssdpcgi(1).md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS: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
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	2.1	CVSS: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:X
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

D-Link DIR‑817L

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /Patr1ck-S/Patr1ck-S.github.io/blob/main/D-Link%20DIR%E2%80%91817L%20has%20a%20remote%20arbitrary%20command%20
exploit, third-party-advisory
vuldb.com /?id.317061
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.317061
signature, permissions-required, vdb-entry
vuldb.com /?submit.618951
third-party-advisory, vdb-entry
dlink.com /
product

Sources

CVE List CVE-2025-7932
NVD CVE-2025-7932

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary