# D-Link DNR-322L: DNR-322L Download of Code Without Integrity Check Vulnerability · pwn.watch

> D-Link DNR-322L contains a download of code without integrity check vulnerability that could allow an authenticated attacker to execute OS level commands on the device. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. Added to CISA KEV on 2025-08-05.

Page: https://pwn.watch/i/d-link-dnr-322l-cve-2022-40799 · generated 2026-10-22T19:29:07.289Z

## Status
- Severity: high · status: closed · patch: patched
- Product: D-Link DNR-322L
- Started: 2025-08-05 · closed: 2025-08-05
- CVEs: CVE-2022-40799
- Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/d-link-dnr-322l-cve-2022-40799/feed.xml
- JSON Feed: https://pwn.watch/i/d-link-dnr-322l-cve-2022-40799/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/d-link-dnr-322l-cve-2022-40799.json
- This file: https://pwn.watch/i/d-link-dnr-322l-cve-2022-40799/llms.txt

## Updates (newest first)
- 2025-08-05: CISA added CVE-2022-40799 to the KEV catalog (due 2025-08-26).

## Fix brief
# Security brief: D-Link DNR-322L: DNR-322L Download of Code Without Integrity Check Vulnerability

Source: https://pwn.watch/i/d-link-dnr-322l-cve-2022-40799 · status: closed (closed Aug 5, 2025) · severity: high · updated Aug 5, 2025

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
D-Link DNR-322L contains a download of code without integrity check vulnerability that could allow an authenticated attacker to execute OS level commands on the device. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. Added to CISA KEV on 2025-08-05.

Severity detail: CVSS 8.8 (CISA ADP, v3.1); actively exploited (CISA KEV)

- Product: D-Link DNR-322L
- CVE / advisory ids: CVE-2022-40799

## Affected versions
- See vendor advisory / CISA notes (versions not always listed in KEV feed)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Aug 5, 2025: CISA added CVE-2022-40799 to the KEV catalog (due 2025-08-26).

## Advisories
- [D-Link advisory: D-Link DNR-322L](https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder) (D-Link)
- [NVD: CVE-2022-40799](https://nvd.nist.gov/vuln/detail/CVE-2022-40799) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025). KEV says affected products could be end-of-life, so some devices may never get a fix.

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Machine-readable: https://pwn.watch/i/d-link-dnr-322l-cve-2022-40799.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.