How severe is CVE-2026-1149?

CVE-2026-1149 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-1149 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1149?

CVE-2026-1149 affects Totolink Lr350 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1149?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1149 have an EU (EUVD) identifier?

Yes. CVE-2026-1149 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3226.

When was CVE-2026-1149 published?

CVE-2026-1149 was published on 2026-01-19 and last updated on 2026-06-17.

CVE-2026-1149

CVE-2026-1149 is a medium-severity vulnerability in Totolink Lr350 Firmware with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3226
Weakness: CWE-74
Affected product: Totolink Lr350 Firmware
Published: 2026-01-19
Last modified: 2026-06-17

Description

A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.

Frequently asked questions

What is CVE-2026-1149?: A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.
How severe is CVE-2026-1149?: CVE-2026-1149 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-1149 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1149?: CVE-2026-1149 affects Totolink Lr350 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1149?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1149 have an EU (EUVD) identifier?: Yes. CVE-2026-1149 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3226.
When was CVE-2026-1149 published?: CVE-2026-1149 was published on 2026-01-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:lr350_firmware:9.3.5u.6369_b20220309:*:*:*:*:*:*:*

More vulnerabilities in Totolink Lr350 Firmware

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