HOMEVULNERABILITIESCVE-2026-26793
CRITICAL

CVE-2026-26793

CWE-77Published: March 12, 2026· Updated: Mar 13, 2026

9.8
CVSS v3.1
EPSS:0.68%probability of exploitation in 30 daysPercentile:71.4th

Official Description

GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the set_config function. This vulnerability allows attackers to execute arbitrary commands via a crafted input.

NVD Source

Technical Analysis

CVE-2026-26793 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

gl-inet2 products
ar300m16 firmwarear300m16
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/set_config

All References (1)

→
https://github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/set_configExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2026-26793
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-77
CISA KEVNo
EPSS (30d)0.68%
Affected1 vendor
PublishedMar 12, 2026

Related CVEs (CWE-77)

CVE-2025-15379
10.0
CVE-2026-45663
9.9
CVE-2026-20186
9.9
CVE-2026-52806
KEV9.9
CVE-2026-20147
9.9
CVE-2026-26068
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-26793 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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CVE-2026-26793 — CVSS 9.8 CRITICAL | CTIWATCH.COM