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CVE-2026-1157

TOTOLINK Lr350 Firmware buffer overflow

8.8 HIGHPublic exploitEPSS 1.01%
  1. Published19 Jan 2026

Description

A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This affects the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument ssid leads to buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

TOTOLINK Lr350 Firmware9.3.5u.6369_b20220309

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-1157 being actively exploited?

CVE-2026-1157 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.01%.

How severe is CVE-2026-1157?

CVE-2026-1157 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.01% probability of exploitation.

Which products are affected by CVE-2026-1157?

Affected products include TOTOLINK Lr350 Firmware.

How do I fix CVE-2026-1157?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-1157 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.