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VAR-202506-0798

Vulnerability from variot - Updated: 2025-07-16 23:23

A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer. TP-LINK Technologies of TL-WR940N Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

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CVE-2025-6151 (GCVE-0-2025-6151)

Vulnerability from cvelistv5 – Published: 2025-06-17 01:00 – Updated: 2025-07-15 18:49 Unsupported When Assigned

Title

TP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflow

Summary

Severity

8.2 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-17 14:34 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

VulDB mitre root Scorecard

References

5 references

URL	Tags
https://www.tp-link.com/us/support/faq/4536/
https://github.com/WhereisDoujo/CVE/issues/7
https://vuldb.com/?id.312626
https://vuldb.com/?ctiid.312626
https://vuldb.com/?submit.593031

Impacted products

2 products

Vendor	Product	Version
TP-Link Systems INC.	TL-WR940N V4	Affected: 0 , ≤ 160617 (date)
TP-Link Systems INC.	TL-WR841N V11	Affected: 0 , ≤ 160325 (date)

Show details on NVD website

JSON

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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.

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.

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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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VAR-202506-0798

CVE-2025-6151 (GCVE-0-2025-6151)

Tags

Sightings

Nomenclature

Related by attack behaviour