CVE-2019-20213 — D-Link DIR-859 routers before v1

D-Link DIR-859 routers before v1.07b03_beta allow Unauthenticated Information Disclosure via the AUTHORIZED_GROUP=1%0a value, as demonstrated by vpnconfig.php.

01What is this vulnerability?

D-Link DIR-859 routers before v1.07b03_beta allow Unauthenticated Information Disclosure via the AUTHORIZED_GROUP=1%0a value, as demonstrated by vpnconfig.php.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2020-01-02T01:03:16.000Z
• Last modified: 2024-08-05T02:39:09.121Z

09References

• medium.com — https://medium.com/%40s1kr10s/d-link-dir-859-unauthenticated-information-disclos…
• medium.com — https://medium.com/%40s1kr10s/d-link-dir-859-unauthenticated-information-disclos…
• supportannouncement.us.dlink.com — https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1…
• supportannouncement.us.dlink.com — https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1…