CVE-2019-18396 — An issue was discovered in certain Oi third-party firmware that may be installed

An issue was discovered in certain Oi third-party firmware that may be installed on Technicolor TD5130v2 devices. A Command Injection in the Ping module in the Web Interface in OI_Fw_V20 allows remote attackers to execute arbitrary OS commands in the pingAddr parameter to mnt_pin

01What is this vulnerability?

An issue was discovered in certain Oi third-party firmware that may be installed on Technicolor TD5130v2 devices. A Command Injection in the Ping module in the Web Interface in OI_Fw_V20 allows remote attackers to execute arbitrary OS commands in the pingAddr parameter to mnt_ping.cgi. NOTE: This may overlap CVE-2017–14127.

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: 2019-10-31T19:08:27.000Z
• Last modified: 2024-08-05T01:54:14.057Z

09References

• www.twitter.com — https://www.twitter.com/c4pt41nnn
• medium.com — https://medium.com/%40c4pt41nnn/cve-2019-18396-command-injection-in-technicolor-…
• packetstormsecurity.com — http://packetstormsecurity.com/files/155296/Technicolor-TD5130.2-Remote-Command-…