What is the CVSS score of CVE-2022-28896?

CVE-2022-28896 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.6%.

Is there a public PoC exploit available for CVE-2022-28896?

Yes, a public proof-of-concept exploit is available for CVE-2022-28896. Prioritise patching immediately. EPSS: 3.6%.

Dir 882 Firmware CVE-2022-28896

CRITICAL

OS Command Injection (CWE-78)

2022-05-10 cve@mitre.org

Command Injection D-Link Dir 882 Firmware

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-78 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization OS command sanitization, avoid shell exec MITRE ATT&CK 2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.

No patch listed yet 3.6% exploitation probability (EPSS)

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AnalysisAI

A command injection vulnerability in the component /setnetworksettings/SubnetMask of D-Link DIR882 DIR882A1_FW130B06 allows attackers to escalate privileges to root via a crafted payload. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. A command injection vulnerability in the component /setnetworksettings/SubnetMask of D-Link DIR882 DIR882A1_FW130B06 allows attackers to escalate privileges to root via a crafted payload. Affected products include: Dlink Dir-882 Firmware.

Severity by source

NVD PRIMARY 9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

A command injection vulnerability in the component /setnetworksettings/SubnetMask of D-Link DIR882 DIR882A1_FW130B06 allows attackers to escalate privileges to root via a crafted payload.

Threat Intelligence Overview

EPSS Score

3.6%

Top 12% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC Yes

EPSS 3.6%

Patch available No

Active threat No

Deciding rule

CRITICAL severity + public POC available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +4

CVSS: +49

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:o:dlink:dir-882_firmware:1.30b06:*:*:*:*:*:*:*

More in Dir 882 Firmware

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CVE-2022-44807 CRITICAL Act Now POC

9.8 Nov 22

D-Link DIR-882 1.10B02 and 1.20B06 is vulnerable to Buffer Overflow via webGetVarString. Rated critical severity (CVSS 9

CVE-2022-44806 CRITICAL Act Now POC

9.8 Nov 22

D-Link DIR-882 1.10B02 and 1.20B06 is vulnerable to Buffer Overflow. Rated critical severity (CVSS 9.8), this vulnerabil

CVE-2022-44804 CRITICAL Act Now POC

9.8 Nov 22

D-Link DIR-882 1.10B02 and1.20B06 is vulnerable to Buffer Overflow via the websRedirect function. Rated critical severit

CVE-2022-28901 CRITICAL Act Now POC

9.8 May 10

A command injection vulnerability in the component /SetTriggerLEDBlink/Blink of D-Link DIR882 DIR882A1_FW130B06 allows a

CVE-2022-28895 CRITICAL Act Now POC

9.8 May 10

A command injection vulnerability in the component /setnetworksettings/IPAddress of D-Link DIR882 DIR882A1_FW130B06 allo

CVE-2022-28571 CRITICAL Act Now POC

9.8 May 02

D-link 882 DIR882A1_FW130B06 was discovered to contain a command injection vulnerability in`/usr/bin/cli. Rated critical

CVE-2022-1262 HIGH This Week POC

7.8 Apr 11

A command injection vulnerability in the protest binary allows an attacker with access to the remote command line interf

CVE-2023-26925 HIGH This Week POC

7.5 Mar 31

An information disclosure vulnerability exists in the Syslog functionality of D-LINK DIR-882 1.30. Rated high severity (

CVE-2024-0717 MEDIUM This Month POC

5.3 Jan 19

A vulnerability classified as critical was found in D-Link DAP-1360, DIR-300, DIR-615, DIR-615GF, DIR-615S, DIR-615T, DI

CVE-2020-15633 HIGH This Week

8.8 Jul 23

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-86

CVE-2020-8864 HIGH This Week

8.8 Mar 23

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-86

CVE-2020-8863 HIGH This Week

8.8 Mar 23

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-86

Same weakness CWE-78 – OS Command Injection

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CVE-2019-15107 CRITICAL POC

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CVE-2024-51378 CRITICAL POC

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CVE-2014-6271 CRITICAL POC

9.8

CVE-2018-11138 CRITICAL POC

9.8

CVE-2014-6278 HIGH POC

8.8

CVE-2020-9054 CRITICAL POC

9.8

CVE-2017-6334 HIGH POC

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CVE-2024-50603 CRITICAL POC

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CVE-2024-21887 CRITICAL POC

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CVE-2016-3081 HIGH POC

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CVE-2012-1823 CRITICAL POC

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CVE-2016-1555 CRITICAL POC

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CVE-2024-55956 CRITICAL POC

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References

Advisories & patches

ADVISORY https://www.dlink.com/en/security-bulletin/

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

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