CVE-2022-40799 (GCVE-0-2022-40799)
Vulnerability from cvelistv5 – Published: 2022-11-29 00:00 – Updated: 2025-10-21 23:15Summary
Data Integrity Failure in 'Backup Config' in D-Link DNR-322L <= 2.60B15 allows an authenticated attacker to execute OS level commands on the device.
Severity
8.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-05 03:56 UTC
CWE
- n/a
- CWE-494 - Download of Code Without Integrity Check
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/lu-ka/cve-2022-40799 | |
| https://www.dlink.com/uk/en/products/dnr-322l-clo… | product |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 33d46549-9ac8-49cd-b791-884ab3ac9e20
Exploited: Yes
Timestamps
First Seen: 2025-08-05
Asserted: 2025-08-05
Scope
Notes: KEV entry: D-Link DNR-322L Download of Code Without Integrity Check Vulnerability | Affected: D-Link / DNR-322L | Description: 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. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-08-26 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder ; https://nvd.nist.gov/vuln/detail/CVE-2022-40799
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-494 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | DNR-322L |
| Due Date | 2025-08-26 |
| Date Added | 2025-08-05 |
| Vendorproject | D-Link |
| Vulnerabilityname | D-Link DNR-322L Download of Code Without Integrity Check Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 12:25 UTC
| Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: cc1bc2bd-5fb0-4553-8c29-59646c7001ad
Exploited: Yes
Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: Data Integrity Failure in 'Backup Config' in D-Link DNR-322L <= 2.60B15 allows an authenticated attacker to execute OS level commands on the... | Affected: D-Link / DNR-322L | CVSS: 8.8 (HIGH) | EPSS: 0.31328 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | Data Integrity Failure in 'Backup Config' in D-Link DNR-322L <= 2.60B15 allows an authenticated attacker to execute OS level commands on the... |
| Vendor | D-Link |
| Product | DNR-322L |
| Added Date | 2026-06-01T10:38:24.413Z |
| Cvss Score | 8.8 |
| Epss Score | 0.31328 |
| Cvss Severity | HIGH |
| Epss Percentile | 0.98047 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev |
|
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 14:03 UTC
| Updated: 2026-07-10 06:14 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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