CVE-2017-3191 — D-Link DIR-130 firmware version 1

D-Link DIR-130 firmware version 1.23 and DIR-330 firmware version 1.12 are vulnerable to authentication bypass of the remote login page. A remote attacker that can access the remote management login page can manipulate the POST request in such a manner as to access some administr

01What is this vulnerability?

D-Link DIR-130 firmware version 1.23 and DIR-330 firmware version 1.12 are vulnerable to authentication bypass of the remote login page. A remote attacker that can access the remote management login page can manipulate the POST request in such a manner as to access some administrator-only pages such as tools_admin.asp without credentials.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-12-16T02:29:10.277
• Last modified: 2026-05-13T00:24:29.033

09References

• exchange.xforce.ibmcloud.com — https://exchange.xforce.ibmcloud.com/vulnerabilities/123293
• www.kb.cert.org — https://www.kb.cert.org/vuls/id/553503
• www.scmagazine.com — https://www.scmagazine.com/d-link-dir-130-and-dir-330-routers-vulnerable/article…
• www.wilderssecurity.com — https://www.wilderssecurity.com/threads/d-link-dir-130-and-dir-330-are-vulnerabl…
• exchange.xforce.ibmcloud.com — https://exchange.xforce.ibmcloud.com/vulnerabilities/123293
• www.kb.cert.org — https://www.kb.cert.org/vuls/id/553503
• www.scmagazine.com — https://www.scmagazine.com/d-link-dir-130-and-dir-330-routers-vulnerable/article…
• www.wilderssecurity.com — https://www.wilderssecurity.com/threads/d-link-dir-130-and-dir-330-are-vulnerabl…