CVE-2019-19824
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedOn 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. Source description excerpt; complete tracked detail loads below.
NVD published: Jan 27, 2020 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
Reportedtotolink — a3002ru. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Jan 27, 2020 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 455.3
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · VulnCheck KEV
VulnCheck KEV added: Nov 11, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
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