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VulnerabilityPublished Updated

CVE-2026-80150: LANTRONIX SLC8000 · Server-Side Request Forgery (SSRF)

Affects LANTRONIX SLC8000Source CVE Database V5

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Not known to be exploited · CVSS 7.7 High : upgrade to 9.7.0.3 soon.

Data as of 6 Nov 2026, 23:24 UTC

CVSS 4.0 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.7.0.3, 9.7.0.1, 9.7.0.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

Upgrade SLC8000 to 9.7.0.3; EMG8500 and EMG7500 to 9.7.0.1; SLC9000 to 9.7.0.2.

Affected software

ProductAffectedFixed in
LANTRONIXSLC8000Affected
  • <9.7.0.3
Fixed in
  • 9.7.0.3
LANTRONIXEMG8500Affected
  • <9.7.0.1
Fixed in
  • 9.7.0.1
LANTRONIXEMG7500Affected
  • <9.7.0.1
Fixed in
  • 9.7.0.1
LANTRONIXSLB882Affected
  • *
Fixed in–
LANTRONIXSLC9000Affected
  • <9.7.0.2
Fixed in
  • 9.7.0.2

AI-suggested

If you cannot patch yet, restrict access to the WebSSH/WebTelnet listener and monitor for suspicious activity involving Telnet connections initiated by these devices.

Description

Lantronix SLC8000 before firmware v9.7.0.3, SLC9000 before firmware v9.7.0.2, EMG8500/EMG7500 before firmware v9.7.0.1, and all firmware versions of SLB882 contain a server-side request forgery vulnerability in the WebSSH/WebTelnet listener that allows unauthenticated attackers to cause the affected device to establish Telnet connections to attacker-controlled endpoints. The custom shellinaboxd uses the rooturl parameter from the web connection to determine its own IP address; by modifying this parameter an attacker redirects the Telnet terminal connection to an arbitrary host or IP. Attackers can use this capability to enumerate or communicate with internal network endpoints that would otherwise be inaccessible.

References

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