{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-6240 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-6240 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-6240 is a medium-severity memory corruption vulnerability in TP-Link Systems Inc. Tapo C520WS v2, published on 5 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-6240 and fix it if it is affected.\n\nWhat it is: CVE-2026-6240 is a medium-severity memory corruption vulnerability in TP-Link Systems Inc. Tapo C520WS v2, published on 5 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-6240 in the wild and no public exploit code.\n\nAffected product: TP-Link Systems Inc. Tapo C520WS v2. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-6240/ (Markdown: https://insights.sbomify.com/CVE-2026-6240/index.md)","id":"CVE-2026-6240","markdown":"https://insights.sbomify.com/CVE-2026-6240/index.md","name":"CVE-2026-6240","record":{"aliases":["GHSA-qv33-m6vq-mqmr"],"analysis":{"component_type":"iot_embedded","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"IP camera","requires_auth":"high_privilege","summary":"An authenticated attacker can cause a denial of service on TP-Link Tapo C520WS cameras by triggering a stack-based buffer overflow in the ONVIF DeleteUsers service.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"TPLink","cpe":[],"cvss":{"score":6.8,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-121","name":"Stack-based Buffer Overflow"}],"description":"A stack-based buffer overflow vulnerability exists in Tapo C520WS v2 in the ONVIF DeleteUsers service, due to insufficient boundary checks when handling multiple user deletion parameters. An authenticated attacker can send a  crafted malicious request containing an excessive number of identifiers to overflow stack memory.\n\nSuccessful exploitation may result in a service crash or deadlock, leading to DoS affecting device management and monitoring functionality.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Authenticated Stack-based Buffer Overflow in ONVIF DeleteUsers Service on TP-Link Tapo C520WS","id":"CVE-2026-6240","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":3,"next":{"headline":"Authenticated Format String Vulnerability in ONVIF AddScopes Method on TP-Link Tapo C520WS","id":"CVE-2026-6241"},"packages":[],"prev":{"headline":"Authenticated Stack-based Buffer Overflow in ONVIF CreateUsers Service in TP-Link Tao C520WS","id":"CVE-2026-6239"},"products":["Tapo C520WS v2"],"published":"2026-06-05","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-06-08","vendors":["TP-Link Systems Inc."]},"summary":"An authenticated attacker can cause a denial of service on TP-Link Tapo C520WS cameras by triggering a stack-based buffer overflow in the ONVIF DeleteUsers service.","url":"https://insights.sbomify.com/CVE-2026-6240/"}