CVE-2022-26413
HIGH
8
CVSS Score
Published: April 11, 2022 at 12:00 PM UTC
Updated: June 17, 2026 at 04:35 AM UTC
64 products affected across 1 vendorEmg3525-t50b FirmwareEmg5523-t50b FirmwareVmg8623-t50b Firmware
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Severity
HIGH8
Exploit prediction
EPSS 0.7%
Description
A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow a local authenticated attacker to execute arbitrary OS commands on a vulnerable device via a LAN interface.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.17\(abpc.1\)c0
Affected range stops below 5.17(abpc.1)c0, so it looks safe — our inference, not a vendor statement
zyxel-ax7501-b0 (same device)
v < 5.17\(abyo.1\)c0
Affected range stops below 5.17(abyo.1)c0, so it looks safe — our inference, not a vendor statement
zyxel-dx5401-b0 (same device)
v < 5.50\(abpm.6\)c0
Affected range stops below 5.50(abpm.6)c0, so it looks safe — our inference, not a vendor statement
zyxel-emg3525-t50b (same device)
v < 5.50\(abpm.6\)c0
Affected range stops below 5.50(abpm.6)c0, so it looks safe — our inference, not a vendor statement
zyxel-emg5523-t50b (same device)
v < 5.50\(abom.7\)c0
Affected range stops below 5.50(abom.7)c0, so it looks safe — our inference, not a vendor statement
zyxel-emg5723-t50k (same device)
v < 5.13\(abnp.7\)c0
Affected range stops below 5.13(abnp.7)c0, so it looks safe — our inference, not a vendor statement
zyxel-emg6726-b10a (same device)
v < 5.40\(abh.0\)c0
Affected range stops below 5.40(abh.0)c0, so it looks safe — our inference, not a vendor statement
zyxel-ep240p (same device)
v < 5.17\(abup.4\)c1
Affected range stops below 5.17(abup.4)c1, so it looks safe — our inference, not a vendor statement
zyxel-ex3510-b0 (same device)
v < 5.17\(abyo.1\)c0
Affected range stops below 5.17(abyo.1)c0, so it looks safe — our inference, not a vendor statement
zyxel-ex5401-b0 (same device)
v < 5.17\(abry.2\)c0
Affected range stops below 5.17(abry.2)c0, so it looks safe — our inference, not a vendor statement
zyxel-ex5501-b0 (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.zyxel.com/support/OS-command-injection-and-buffer-overflow-vulnerabilities-of-CPE-and-ONTs.shtmlCVSS
8HIGHZyxel
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78
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