CVE-2021-45382

A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L, and DIR-836L routers via the DDNS function in ncc2 binary file. Note: DIR-810L, DIR-820L, DIR-830L, DIR-826L, DIR-836L, all hardware revisions, have…

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CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

9.0/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 9.8: +1.47
Fresh EPSS: 97.84%: +0.49

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 5 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

BleepingComputer

Press · 10 Oct 2023, 07:00 · Mirai DDoS malware variant expands targets with 13 router exploits - BleepingComputer

HotHardware

Press · 12 Apr 2022, 07:00 · These D-Link Routers Are Vulnerable To Remote Hacks And Should Be Retired Immediately - HotHardware

TechPowerUp

Press · 11 Apr 2022, 07:00 · CISA Advises Owners of Certain D-Link Routers to Urgently Retire Them - TechPowerUp

Malwarebytes

Press · 05 Apr 2022, 07:00 · CISA advises D-Link users to take vulnerable routers offline - Malwarebytes

BleepingComputer

Press · 01 Apr 2022, 07:00 · Beastmode botnet boosts DDoS power with new router exploits - BleepingComputer

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 9.8; EPSS 97.8%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:32.072469+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

17 Feb 2022, 20:07

First press mention

01 Apr 2022, 07:00

Added to the CISA KEV catalog

04 Apr 2022, 00:00

Latest press mention

10 Oct 2023, 07:00

Score calculated

05 Nov 2026, 13:58