{"answers":{"affected":"","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7140 exists.","fix":"No fix has been published for CVE-2026-7140 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-7140 is a critical command injection vulnerability in Totolink A8000RU, published on 27 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-7140 and fix it if it is affected.\n\nWhat it is: CVE-2026-7140 is a critical command injection vulnerability in Totolink A8000RU, published on 27 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7140 exists.\n\nAffected product: Totolink A8000RU. 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-2026-7140/ (Markdown: https://insights.sbomify.com/CVE-2026-7140/index.md)","id":"CVE-2026-7140","markdown":"https://insights.sbomify.com/CVE-2026-7140/index.md","name":"CVE-2026-7140","record":{"aliases":["GHSA-w55w-j5pr-6r9w"],"analysis":{"component_type":"network_device","fix_type":"no_fix_stated","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"Totolink router","requires_auth":"none","summary":"Remote attackers can execute arbitrary OS commands on Totolink A8000RU routers via the cstecgi.cgi handler, requiring immediate attention from network administrators.","user_interaction":"not_required","vuln_class":"command_injection"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulDB","cpe":[],"cvss":{"score":9.3,"severity":"critical","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"},"cwes":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command"},{"id":"CWE-77","name":"Improper Neutralization of Special Elements used in a Command"}],"description":"A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument HTTP leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":null,"headline":"Totolink A8000RU CGI cstecgi.cgi CsteSystem os command injection","id":"CVE-2026-7140","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"command_injection","year":"2026"},"n_packages":0,"n_references":5,"next":{"headline":"vLLM KV Block kv_cache_interface.py has_mamba_layers uninitialized resource","id":"CVE-2026-7141"},"packages":[],"prev":{"headline":"Totolink A8000RU CGI cstecgi.cgi setWiFiAclRules os command injection","id":"CVE-2026-7139"},"products":["A8000RU"],"published":"2026-04-27","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":"yes","exploitation":"poc","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-04-27","vendors":["Totolink"]},"summary":"Remote attackers can execute arbitrary OS commands on Totolink A8000RU routers via the cstecgi.cgi handler, requiring immediate attention from network administrators.","url":"https://insights.sbomify.com/CVE-2026-7140/"}