Online upgrade information in some firmware packages of Dahua products is not encrypted.
Online upgrade information in some firmware packages of Dahua products is not encrypted. Attackers can obtain this information by analyzing firmware packages by specific means. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18,2019.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Sep 17, 2019
- Updated
- Jun 16, 2026
- EPSS
- 0.8% · 54th percentile
- CWE
- CWE-311
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Report tools
Action score
21
Monitor
Low priority for now.
- CVSS
- 21 / 40 · 5.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| dahuasecurity | ipc-hdw1x2x firmware | cpe:2.3:o:dahuasecurity:ipc-hdw1x2x_firmware |
| dahuasecurity | ipc-hdw1x2x | cpe:2.3:h:dahuasecurity:ipc-hdw1x2x |
| dahuasecurity | ipc-hfw1x2x firmware | cpe:2.3:o:dahuasecurity:ipc-hfw1x2x_firmware |
| dahuasecurity | ipc-hfw1x2x | cpe:2.3:h:dahuasecurity:ipc-hfw1x2x |
| dahuasecurity | ipc-hdw2x2x firmware | cpe:2.3:o:dahuasecurity:ipc-hdw2x2x_firmware |
| dahuasecurity | ipc-hdw2x2x | cpe:2.3:h:dahuasecurity:ipc-hdw2x2x |
| dahuasecurity | ipc-hfw2x2x firmware | cpe:2.3:o:dahuasecurity:ipc-hfw2x2x_firmware |
| dahuasecurity | ipc-hfw2x2x | cpe:2.3:h:dahuasecurity:ipc-hfw2x2x |
| dahuasecurity | ipc-hdw4x2x firmware | cpe:2.3:o:dahuasecurity:ipc-hdw4x2x_firmware |
| dahuasecurity | ipc-hdw4x2x | cpe:2.3:h:dahuasecurity:ipc-hdw4x2x |
| dahuasecurity | ipc-hfw4x2x firmware | cpe:2.3:o:dahuasecurity:ipc-hfw4x2x_firmware |
| dahuasecurity | ipc-hfw4x2x | cpe:2.3:h:dahuasecurity:ipc-hfw4x2x |
and 6 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- dahuasecurity ipc-hdbw4x2x firmwarebefore 2019-08-18
- dahuasecurity ipc-hdw1x2x firmwarebefore 2019-08-18
- dahuasecurity ipc-hdw2x2x firmwarebefore 2019-08-18
- dahuasecurity ipc-hdw4x2x firmwarebefore 2019-08-18
- dahuasecurity ipc-hdw5x2x firmwarebefore 2019-08-18
- dahuasecurity ipc-hfw1x2x firmwarebefore 2019-08-18
- dahuasecurity ipc-hfw2x2x firmwarebefore 2019-08-18
- dahuasecurity ipc-hfw4x2x firmwarebefore 2019-08-18
- dahuasecurity ipc-hfw5x2x firmwarebefore 2019-08-18
Versions reported by the vendor
Affected version ranges reported by the assigning authority (dahua). Independent of NVD's CPE analysis and usually ahead of it.
Dahua IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X
- Versions which Build time before August 18 2019affected
Same product
dahuasecurity: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-9677The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructi39Monitor
- CVE-2019-9679Some of Dahua's Debug functions do not have permission separation.35Monitor
- CVE-2019-9678Some Dahua products have the problem of denial of service during the login process.30Monitor
- CVE-2019-9680Some Dahua products have information leakage issues.21Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-311 · Missing Encryption of Sensitive DataCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Sniffing AttacksCAPEC-157Medium
- Sniffing Network TrafficCAPEC-158Medium
- Lifting Sensitive Data Embedded in CacheCAPEC-204Medium
- Accessing/Intercepting/Modifying HTTP CookiesCAPEC-31likelihood: High · High
- Retrieve Embedded Sensitive DataCAPEC-37likelihood: High · Very High
- Harvesting Information via API Event MonitoringCAPEC-383Low
- Application API Message Manipulation via Man-in-the-MiddleCAPEC-384Low
- Transaction or Event Tampering via Application API ManipulationCAPEC-385Medium
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.