CVE-2017-12943Dir-600 B1 Firmware Path Traversal
D-Link DIR-600 Rev Bx devices with v2.x firmware allow remote attackers to read passwords via a model/show_info.php?REQUIRE_FILE= absolute path traversal attack, as demonstrated by discovering the admin password.
Published Aug 18, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-12943 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dir-600 B1 Firmware (Dlink).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 39% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
39%
Higher than 98.5% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
42/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
Description
D-Link DIR-600 Rev Bx devices with v2.x firmware allow remote attackers to read passwords via a model/show_info.php?REQUIRE_FILE= absolute path traversal attack, as demonstrated by discovering the admin password.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Dir-600 B1 FirmwareDlink | 2.01 | n/a |
Timeline
Publicly disclosed
Aug 18, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- advisoryjithindkurup.tumblr.com · d-link-dir-600-authentication-bypass-absolute
- advisory42581
- exploitExploitDB-42581
- exploityoutube.com · watch
FAQ
Common Questions.
D-Link DIR-600 Rev Bx devices with v2.x firmware allow remote attackers to read passwords via a model/show_info.php?REQUIRE_FILE= absolute path traversal attack, as demonstrated by discovering the admin password.
Affected: Dir-600 B1 Firmware (Dlink) versions 2.01. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-12943 On Your Attack Surface?
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