{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-4346 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-4346 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-4346 is a medium-severity vulnerability in TP-Link Systems Inc. TL-WR850N v3, published on 26 Mar 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-2026-4346 and fix it if it is affected.\n\nWhat it is: CVE-2026-4346 is a medium-severity vulnerability in TP-Link Systems Inc. TL-WR850N v3, published on 26 Mar 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-2026-4346 in the wild and no public exploit code.\n\nAffected product: TP-Link Systems Inc. TL-WR850N v3. 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-2026-4346/ (Markdown: https://insights.sbomify.com/CVE-2026-4346/index.md)","id":"CVE-2026-4346","markdown":"https://insights.sbomify.com/CVE-2026-4346/index.md","name":"CVE-2026-4346","record":{"aliases":["GHSA-j2f5-7fm8-m5q7"],"analysis":{"component_type":"network_device","fix_type":"patch","impacts":["data_read","account_takeover"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"TP-Link router","requires_auth":"high_privilege","summary":"Attackers with physical access can extract cleartext admin and Wi-Fi credentials via the serial interface, leading to full device control.","user_interaction":"not_required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"TPLink","cpe":[{"product":"tl-wr850n_firmware","vendor":"tp-link"}],"cvss":{"score":5.1,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-312","name":"Cleartext Storage of Sensitive Information"}],"description":"The vulnerability affecting TL-WR850N v3 allows cleartext storage of administrative and Wi-Fi credentials in a region of the device’s flash memory while the serial interface remains enabled and protected by weak authentication.  An attacker with physical access and the ability to connect to the serial port can recover sensitive information, including the router’s management password and wireless network key.\n\nSuccessful exploitation can lead to full administrative control of the device and unauthorized access to the associated wireless network.","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":"Cleartext Storage of Administrative and Wi-Fi Credentials via Accessible Serial Interface in TP Link's TL-WR850N","id":"CVE-2026-4346","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"information_disclosure","year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"MW WP Form \u003c= 5.1.0 - Unauthenticated Arbitrary File Move via move_temp_file_to_upload_dir","id":"CVE-2026-4347"},"packages":[],"prev":{"headline":"Stored Cross-Site Scripting (XSS) Vulnerability in Design Name","id":"CVE-2026-4345"},"products":["TL-WR850N v3"],"published":"2026-03-26","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"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":"2026-03-27","vendors":["TP-Link Systems Inc."]},"summary":"Attackers with physical access can extract cleartext admin and Wi-Fi credentials via the serial interface, leading to full device control.","url":"https://insights.sbomify.com/CVE-2026-4346/"}