HOME VULNERABILITIESCVE-2018-20057

HIGH

CVE-2018-20057

CWE-78Published: December 11, 2018· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. goform/formSysCmd allows remote authenticated users to execute arbitrary OS commands via the sysCmd POST parameter.

Technical Analysis

CVE-2018-20057 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.Low

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

d-link2 product(s)

dir-619l firmwaredir-605l firmware

dlink2 product(s)

dir-619ldir-605l

Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20command%20execution.md

ADVISORYhttps://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20command%20execution.md

All References (2)

→

https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20command%20execution.mdExploit · Third Party Advisory

→

https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20command%20execution.mdExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2018-20057

CVSS Score8.8 / 10

SeverityHIGH

WeaknessCWE-78

CISA KEVNo

Affected2 vendor(s)

PublishedDec 11, 2018

Related CVEs (CWE-78)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2018-20057 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.

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