Intelbras TIP 635G Ping os command injection

published 2026-02-24 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-8470

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 6.6%; EPSS 6.6% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

A vulnerability was found in Intelbras TIP 635G 1.12.3.5. This vulnerability affects unknown code of the component Ping Handler. The manipulation results in os command injection. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-02-27)

Exploit prediction

6.63% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

notion.so https://www.notion.so/eldruin/Intelbras-TIP-635G-Authenticated-OS-Command-Injection-Leading-to-Root-RCE-30627474cccb80929328e7c3b3ea0f9b referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	2.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

Intelbras TIP 635G

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command
CWE-77 Improper Neutralization of Special Elements used in a Command

References

notion.so /eldruin/Intelbras-TIP-635G-Authenticated-OS-Command-Injection-Leading-to-Root-RCE-30627474cccb80929328e7c3b3e
exploit, third-party-advisory
vuldb.com /?id.347527
vdb-entry, third-party-advisory
vuldb.com /?ctiid.347527
signature, permissions-required
vuldb.com /?submit.757986
third-party-advisory, vdb-entry

Sources

CVE List CVE-2026-3101
NVD CVE-2026-3101

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary