SARA / Free Tools / CVE / CVE-2020-12774

CVE-2020-12774 — D-Link DSL-7740C does not properly validate user input, which allows an authenti

D-Link DSL-7740C does not properly validate user input, which allows an authenticated LAN user to inject arbitrary command.

CVSS

8.2 HIGH

EPSS

0.58% (top 31.40%)

CWE

CWE-78

Published

2020-07-22T07:20:17.723Z

Last modified

2024-09-16T17:33:15.257Z

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

01What is this vulnerability?

D-Link DSL-7740C does not properly validate user input, which allows an authenticated LAN user to inject arbitrary command.

Vendor	Product	Versions
D-Link	DSL	7740C — 0

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

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.

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

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

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

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