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VAR-202509-0089

Vulnerability from variot - Updated: 2025-10-03 23:20

A vulnerability was determined in Tenda CP6 11.10.00.243. The affected element is the function sub_2B7D04 of the component uhttp. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized. The Tenda CP6 is a smart camera from the Chinese company Tenda. This vulnerability stems from the use of a compromised encryption algorithm in the function sub_2B7D04 in the uhttp component. An attacker could exploit this vulnerability to compromise the device's integrity

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CVE-2025-9828 (GCVE-0-2025-9828)

Vulnerability from cvelistv5 – Published: 2025-09-02 17:02 – Updated: 2025-09-02 20:35

Title

Tenda CP6 uhttp sub_2B7D04 risky encryption

Summary

Severity

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

3.7 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-09-02 20:35 UTC

CWE

CWE-327 - Risky Cryptographic Algorithm
CWE-310 - Cryptographic Issues

Assigner

VulDB CNA under the mitre root

CNA scorecard B 82/100 over 3820 records in the last 180 days details

References

5 references

URL	Tags
https://vuldb.com/?id.322175	vdb-entrytechnical-description
https://vuldb.com/?ctiid.322175	signaturepermissions-required
https://vuldb.com/?submit.641566	third-party-advisory
https://github.com/IOTRes/IOT_Firmware_Update/blo…	exploitpatch
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version
Tenda	CP6	Affected: 11.10.00.243

Credits

IOT_Res (VulDB User)

Show details on NVD website

JSON

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    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-9828",
    "datePublished": "2025-09-02T17:02:08.742Z",
    "dateReserved": "2025-09-02T12:20:19.714Z",
    "dateUpdated": "2025-09-02T20:35:45.362Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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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.

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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