CVE-2019-19824

HIGH
8.8
CVSS Score
Published: January 27, 2020 at 05:03 PM UTC
Updated: June 17, 2026 at 02:27 AM UTC
17 products affected across 1 vendorA3002RU FirmwareA702R FirmwareN200RE Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 25%
SSVC
PoC

Description

On certain TOTOLINK Realtek SDK based routers, an authenticated attacker may execute arbitrary OS commands via the sysCmd parameter to the boafrm/formSysCmd URI, even if the GUI (syscmd.htm) is not available. This allows for full control over the device's internals. This affects A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, N100RE through 3.4.0, and N302RE 2.0.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2.0.0
totolink-a3002ru (same device)
v ≤ 2.1.3
totolink-a702r (same device)
v ≤ 3.4.0
totolink-n100re (same device)
v ≤ 3.4.0
totolink-n150rt (same device)
v ≤ 2.1.6
totolink-n301rt (same device)
v ≤ 3.4.0
totolink-n302r (same device)
v ≤ 3.4.0
v < 2.0.2
Affected range stops below 2.0.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Mailing Listx_refsource_FULLDISCExploitThird Party Advisory
http://seclists.org/fulldisclosure/2020/Jan/36
Mailing Listx_refsource_FULLDISCExploitThird Party Advisory
http://seclists.org/fulldisclosure/2020/Jan/38
x_refsource_MISCExploitThird Party Advisory
https://sploit.tech

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
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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