CVE-2026-26792

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-03-12. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, nvd
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

GL-iNet GL-AR300M16 v4.3.11 was discovered to contain multiple command injection vulnerabilities in the set_upgrade function via the modem_url, target_version, current_version, firmware_upload, hash_type, hash_value, and upgrade_type parameters. These vulnerabilities allow attackers to execute arbitrary commands via a crafted input.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
85%
KEV
Not listed

Published

March 12, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jul 27, 2026
No patch confirmed yet.
generic

IOT-vul/GL-iNet/GL-AR300M16/set_upgrade at main · sezangel/IOT-vul · GitHub

https://github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/set_upgrade

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 3× in last 7d / 3× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-28 15:36 UTCEPSS rescore
  2. 2026-07-27 13:38 UTCEG score recompute
  3. 2026-07-27 13:37 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-26792?
CVE-2026-26792 is a critical vulnerability published on March 12, 2026. GL-iNet GL-AR300M16 v4.3.11 was discovered to contain multiple command injection vulnerabilities in the setupgrade function via the modemurl, targetversion, currentversion, firmwareupload, hashtype, hashvalue, and upgradetype parameters. These vulnerabilities allow attackers to execute arbitrary…
When was CVE-2026-26792 disclosed?
CVE-2026-26792 was first published in the National Vulnerability Database on March 12, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-26792 actively exploited?
CVE-2026-26792 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 15.1% of all scored CVEs.
What is the CVSS score of CVE-2026-26792?
CVE-2026-26792 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-26792?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-26792, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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