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CVE-2026-18685

A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Impacted is the function set_upgrade of the file /cgi-bin/glc of the component modem.so. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:24a2a5d84a298d4ff5c7772870fccb2a3362b158b8ce789db7d5b90b78345947
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/metrics/0/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-74","description":"Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:o:gl-inet:gl-mt3000_firmware:*:*:*:*:*:*:*:*"],"modules":["modem.so"],"product":"GL-MT3000","vendor":"GL.iNet","versions":[{"status":"affected","version":"4.4.0"},{"status":"affected","version":"4.4.1"},{"status":"affected","version":"4.4.2"},{"status":"affected","version":"4.4.3"},{"status":"affected","version":"4.4.4"},{"status":"affected","version":"4.4.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":10,"vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-74","description":"Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["exploit","patch"],"url":"https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/modem_set_upgrade_glc_rce"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/references/4
{"name":"CVE-2026-18685 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-18685"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/references/2
{"name":"Submit #851593 | GL.iNet MT3000 4.4.5 Command Injection","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/851593"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/references/3
{"name":"VDB-385611 | GL.iNet GL-MT3000 modem.so glc set_upgrade command injection","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/385611"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/references/0
{"name":"VDB-385611 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/385611/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:136bf22ddc42b3e27d1326dbd84adc4ee199c02d13816a93d4f0d158fbe5cd16 · sha256:bb17c1a4e650a2c1… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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