CVE-2018-6530
RCE in Dlink Dir-860L Firmware ≤ 1.10b04
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2018-6530 is a critical-severity OS Command Injection (CWE-78) vulnerability in Dlink Dir-860L Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked in the top 0.1% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog; a public proof-of-concept is referenced.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2018-6530 is an OS command injection vulnerability (CWE-78) residing in the soap.cgi component, specifically the soapcgi_main function, across multiple D-Link wireless router models. Affected devices include the DIR-880L (versions up to REVA_FIRMWARE_PATCH_1.08B04), DIR-868L (up to DIR868LA1_FW112b04), DIR-865L (up to REVA_FIRMWARE_PATCH_1.08.B01), and DIR-860L (up to DIR860LA1_FW110b04). The flaw permits arbitrary operating system command execution when an attacker supplies crafted input to the service parameter.
Unauthenticated remote attackers can exploit the issue over the network by sending a malicious SOAP request to the affected CGI endpoint. Successful exploitation grants the ability to run arbitrary commands on the device with the privileges of the web server process, potentially leading to full device compromise including configuration changes, persistent access, or use as an attack pivot.
Vendor advisories published by D-Link provide firmware patch notes for each model that address the vulnerability through updated releases, such as version 1.11B01 for the DIR-860L, 1.20B01 for the DIR-868L, 1.10B01 for the DIR-865L, and 1.08B06 for the DIR-880L. A public proof-of-concept repository demonstrates exploitation of the SOAP protocol flaw across the listed devices.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2018-18282
Vulnerability Data
OS command injection vulnerability in soap.cgi (soapcgi_main in cgibin) in D-Link DIR-880L DIR-880L_REVA_FIRMWARE_PATCH_1.08B04 and previous versions, DIR-868L DIR868LA1_FW112b04 and previous versions, DIR-65L DIR-865L_REVA_FIRMWARE_PATCH_1.08.B01 and previous versions, and DIR-860L DIR860LA1_FW110b04 and previous versions allows remote attackers to execute arbitrary OS commands…
more
via the service parameter.
- CWE(s)
- KEV Date Added
- 08 September 2022
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.2.5V1.2.8V15.2.5
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
PR.PS-06's SDLC practices directly require secure coding and input handling that blocks command-injection defects, yet the single broad outcome leaves many specific neutralization vectors and verification gaps unaddressed.
Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing and code review target insecure use of operating-system command interfaces, catching command-injection flaws introduced during development.