D-Link DIR‑818L up to 1.05B01 ssdpcgi /htdocs/cgibin getenv command injection

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in D-Link DIR‑818L up to 1.05B01. Affected by this issue is the function getenv of the file /htdocs/cgibin of the component ssdpcgi. The manipulation leads to command injection. This vulnerability is referenced as CVE-2025-8956. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in D-Link DIR‑818L up to 1.05B01. This issue affects the function getenv of the file /htdocs/cgibin of the component ssdpcgi. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. 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. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-8956. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is available 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.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/13/2025 Advisory disclosed
08/13/2025 +0 days VulDB entry created
08/19/2025 +5 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-8956 (🔒)
GCVE (CVE): GCVE-0-2025-8956
GCVE (VulDB): GCVE-100-319925
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/13/2025 16:14
Updated: 08/19/2025 01:09
Changes: 08/13/2025 16:14 (57), 08/14/2025 13:44 (30), 08/19/2025 01:09 (12)
Complete: 🔍
Submitter: LonTan0
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #627835: Dlink D-Link DIR‑818L Firmware versions ≤ v1.05B01 Remote Arbitrary Command Execution (by LonTan0)

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