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Vulnerabilities

Vulnerability · CVE-2026-1155

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309.

Published Jan 19, 2026 · catalog updated Feb 23, 2026 · Totolink LR350

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-1155. EPSS is 0.94%. Act only if a listed version of Totolink LR350 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.94%
Remediation
Vendor / distro source
Affected products
vendor Totolink LR350 9.3.5u.6369_B20220309

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Totolink LR350 9.3.5u.6369_B202203099.3.5u.6369_B20220309

How to fix CVE-2026-1155

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-1155. EPSS is 0.94%. Act only if a listed version of Totolink LR350 is installed.

Which versions are affected?

Compare what you have installed with Totolink LR350 9.3.5u.6369_B20220309 9.3.5u.6369_B20220309. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.94%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 19, 2026 · EUVD

    Detected

    A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

  2. Feb 23, 2026 · EUVD

    Updated

    A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

Sources

  • CVE.orgVulnerability recordCVE-2026-1155

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-1155

    30-day exploitation probability 0.94%

    first.org
  • EUVDVulnerability recordEUVD-2026-3223

    A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. The e

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • FIRST EPSSNov 3, 2026
  • EUVDNov 3, 2026