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VulnerabilityPublished Updated

CVE-2026-1150: Totolink LR350 · Command Injection

Affects Totolink LR350Source CVE Database V5

0

Not known to be exploited · CVSS 5.3 Medium.

Data as of 26 Oct 2026, 09:16 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.6% chance of exploitation in 30 days – higher than 85% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
TotolinkLR350Affected
  • =9.3.5u.6369_B20220309
Fixed in–

AI-suggested

1. Immediately isolate affected Totolink LR350 devices from untrusted networks to reduce exposure. 2. Monitor network traffic for suspicious POST requests targeting /cgi-bin/cstecgi.cgi, especially those containing unusual 'command' parameters. 3. Implement network-level access controls to restrict management interface access to trusted IP addresses only. 4. Disable remote management features if not required to minimize attack surface. 5. Employ intrusion detection/prevention systems (IDS/IPS) with signatures targeting this specific command injection pattern. 6. Regularly audit router configurations and logs for signs of compromise or unauthorized changes. 7. Engage with Totolink support channels to obtain firmware updates or patches once available and apply them promptly. 8. Consider replacing affected devices with models from vendors with more robust security track records if patches are delayed. 9. Educate network administrators about this vulnerability and enforce strict credential management to prevent lateral movement post-exploitation.

Description

A security flaw has been discovered in Totolink LR350 9.3.5u.6369_B20220309. Impacted is the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument command results in command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

References

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