Security readout for executives and security teams
Plain-English summary
CVE-2026-1150 affects Totolink LR350 firmware 9.3.5u.6369_B20220309. A logged-in remote user may inject operating system commands through the router’s traceroute configuration handler. Public exploit information is referenced, but the sources do not show confirmed active exploitation or a vendor patch.
Executive priority
Treat as a targeted network-edge device risk. Prioritize identifying affected LR350 routers and limiting management exposure. Urgency increases if devices are internet-managed, use shared credentials, or sit in sensitive network segments. No confirmed active exploitation is cited.
Technical view
The issue is command injection in /cgi-bin/cstecgi.cgi, function setTracerouteCfg, via the command argument in the POST request handler. VulDB lists CWE-74 and CWE-77, CVSS 2.0 score 6.5, AV:N/AC:L/Au:S with partial confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to Totolink LR350 devices running firmware 9.3.5u.6369_B20220309, especially where the management interface is reachable by untrusted networks. Authentication is indicated as required, reducing likelihood but not eliminating risk from weak credentials, shared admin access, or compromised accounts.
Exploitation context
The source bundle states the exploit has been released publicly and may be used for attacks. CISA KEV status is false, and no cited source confirms active exploitation. Remote exploitation requires an authenticated session according to the CVSS vector and VulDB CTI reference tags.
Researcher notes
Evidence comes primarily from VulDB and the CVE record. The public exploit reference should be handled carefully; this assessment does not rely on exploit execution. Patch status is not provided in the sources, so remediation should be verified with Totolink before claiming fixed versions.
Mitigation direction
- Check Totolink advisories and firmware downloads for LR350 guidance or updates.
- Restrict router management access to trusted administrative networks only.
- Disable internet-facing remote administration where not explicitly required.
- Review and strengthen administrator credentials on affected devices.
- Replace affected devices if no vendor-supported fix is available.
Validation and detection
- Inventory Totolink LR350 devices and record firmware versions.
- Confirm whether firmware version 9.3.5u.6369_B20220309 is present.
- Verify management interfaces are not exposed to untrusted networks.
- Review authentication logs for unusual administrative access.
- Monitor vendor and CVE sources for patch or mitigation updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-74: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1150 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (2.0)
- Known Exploited
- No
- Published
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR86.4Primary CVE scoreVulnerability scoring details
Base CVSS 2.0 score
6.5MediumVector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Source materials
- CVE List V5 sourceCVE List V5
- VDB-341743 | Totolink LR350 POST Request cstecgi.cgi setTracerouteCfg command injectionCVE reference · vdb-entry, technical-description
- VDB-341743 | CTI Indicators (IOB, IOC, TTP, IOA)CVE reference · signature, permissions-required
- Submit #735696 | TOTOLINK LR350 LR350 V9.3.5u.6369_B20220309 Command InjectionCVE reference · third-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setTracerouteCfg-2e453a41781f803494e3e4161a393487?source=copy_linkCVE reference · exploit
- https://www.totolink.net/CVE reference · product
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.