CVE-2018-6530
CVE-2018-6530 is a critical-severity vulnerability in Dlink Dir-860l Firmware with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-09-08). The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 97% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-09-08)
- EU (EUVD) id: EUVD-2018-18282
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-09-08)
- Weakness: CWE-78
- Affected product: Dlink Dir-860l Firmware
- Published:
- Last modified:
Description
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 via the service parameter.
Frequently asked questions
- What is CVE-2018-6530?
- 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 via the service parameter.
- How severe is CVE-2018-6530?
- CVE-2018-6530 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-6530 being actively exploited?
- Yes. CVE-2018-6530 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-09-08, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2018-6530?
- CVE-2018-6530 primarily affects Dlink Dir-860l Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-6530?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2018-6530 have an EU (EUVD) identifier?
- Yes. CVE-2018-6530 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-18282. It is also flagged as exploited in the EUVD (since 2022-09-08).
- When was CVE-2018-6530 published?
- CVE-2018-6530 was published on 2018-03-06 and last updated on 2026-06-17.
References
- ftp://FTP2.DLINK.COM/SECURITY_ADVISEMENTS/DIR-860L/REVA/DIR-860L_REVA_FIRMWARE_PATCH_NOTES_1.11B01_EN_WW.pdf
- ftp://FTP2.DLINK.COM/SECURITY_ADVISEMENTS/DIR-868L/REVA/DIR-868L_REVA_FIRMWARE_PATCH_NOTES_1.20B01_EN_WW.pdf
- ftp://ftp2.dlink.com/SECURITY_ADVISEMENTS/DIR-865L/REVA/DIR-865L_REVA_FIRMWARE_PATCH_NOTES_1.10B01_EN_WW.pdf
- ftp://ftp2.dlink.com/SECURITY_ADVISEMENTS/DIR-880L/REVA/DIR-880L_REVA_FIRMWARE_PATCH_NOTES_1.08B06_EN_WW.pdf
- https://github.com/TheBeeMan/Pwning-multiple-dlink-router-via-SOAP-proto
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6530
Affected products (4)
- cpe:2.3:o:dlink:dir-860l_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-865l_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-868l_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-880l_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Dlink Dir-860l Firmware
- CVE-2024-42812 — Critical (CVSS 9.8): In D-Link DIR-860L v2.03, there is a buffer overflow vulnerability due to the lack of length verification for the SID…
- CVE-2024-41611 — Critical (CVSS 9.8): In D-Link DIR-860L REVA FIRMWARE PATCH 1.10..B04, the Telnet service contains hardcoded credentials, enabling attackers…
- CVE-2018-20114 — Critical (CVSS 9.8): On D-Link DIR-818LW Rev.A 2.05.B03 and DIR-860L Rev.B 2.03.B03 devices, unauthenticated remote OS command execution can…
- CVE-2025-9026 — High (CVSS 7.3): A vulnerability was identified in D-Link DIR-860L 2.04.B04. This affects the function ssdpcgi_main of the file…
- CVE-2024-37605 — Medium (CVSS 6.5): A NULL pointer dereference in D-Link DIR-860L REVB_FIRMWARE_2.04.B04_ic5b allows attackers to cause a Denial of Service…
- CVE-2020-25786 — Medium (CVSS 6.1): webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices allows XSS via the HTTP Referer…
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