GL.iNet GL-MT3000 modem.so glc remove_profile command injection
A weakness has been identified in GL.iNet GL-MT3000 up to 4.4.5. This issue affects the function remove_profile of the file /cgi-bin/glc of the component modem.so. This manipulation causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
- Published
- Aug 3, 2026
- Updated
- Aug 12, 2026
- EPSS
- 3.6% · 89th percentile
- CWE
- CWE-74
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Report tools
Action score
36
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 3.6%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- yes
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · VulDB
- 9.3
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
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Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
GL.iNet GL-MT3000
- 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5affected
Same product
gl.inet: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-18686GL.iNet GL-MT3000 nas-web RPC Wrapper glc nas-web.add_user command injection36Monitor
- CVE-2026-18685GL.iNet GL-MT3000 modem.so glc set_upgrade command injection36Monitor
- CVE-2026-18602GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.get_recommend_config command injection36Monitor
- CVE-2026-18601GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection36Monitor
- CVE-2026-18600GL.iNet GL-MT3000 Network Lua RPC Plugin network network.switch_status command injection30Monitor
- CVE-2026-18599GL.iNet GL-MT3000 Logread Lua RPC Plugin logread logread.set_config command injection30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- VulDB CNA Teamcoordinator
- Strforexc2 (VulDB User)reporter
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-186010 days apartGL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection36Monitor
- CVE-2026-186020 days apartGL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.get_recommend_config command injection36Monitor
- CVE-2026-186850 days apartGL.iNet GL-MT3000 modem.so glc set_upgrade command injection36Monitor
- CVE-2026-186860 days apartGL.iNet GL-MT3000 nas-web RPC Wrapper glc nas-web.add_user command injection36Monitor
- CVE-2026-185980 days apartGL.iNet GL-MT3000 Logread Lua RPC plugin logread logread.get_system_log command injection30Monitor
- CVE-2026-186000 days apartGL.iNet GL-MT3000 Network Lua RPC Plugin network network.switch_status command injection30Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
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Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Server Side Include (SSI) InjectionCAPEC-101likelihood: High · High
- HTTP Request SplittingCAPEC-105likelihood: Medium · High
- Command Line Execution through SQL InjectionCAPEC-108likelihood: Low · Very High
- Double EncodingCAPEC-120likelihood: Low · Medium
- Subverting Environment Variable ValuesCAPEC-13likelihood: High · Very High
- Format String InjectionCAPEC-135likelihood: High · High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/modem_remove_profile_glc_rce
- vuldb.com/cve/CVE-2026-18684
- vuldb.com/submit/851581
- vuldb.com/vuln/385610
- vuldb.com/vuln/385610/cti
Vendor advisories and official records. Exploit/PoC links are deliberately left out.