{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-34830 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-34830 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-34830 is a high-severity memory corruption vulnerability in D-Link DAP-1330, published on 15 Jul 2021. 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-2021-34830 and fix it if it is affected.\n\nWhat it is: CVE-2021-34830 is a high-severity memory corruption vulnerability in D-Link DAP-1330, published on 15 Jul 2021. 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-2021-34830 in the wild and no public exploit code.\n\nAffected product: D-Link DAP-1330. 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-2021-34830/ (Markdown: https://insights.sbomify.com/CVE-2021-34830/index.md)","id":"CVE-2021-34830","markdown":"https://insights.sbomify.com/CVE-2021-34830/index.md","name":"CVE-2021-34830","record":{"aliases":["GHSA-fq97-4ff2-mrgg"],"analysis":{"component_type":"network_device","fix_type":"no_fix_stated","impacts":["code_execution"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"D-Link wireless router","requires_auth":"none","summary":"Network-adjacent attackers can execute arbitrary code on D-Link DAP-1330 routers via a stack-based buffer overflow in Cookie header handling.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"zdi","cpe":[{"product":"dap-1330_firmware","vendor":"dlink"}],"cvss":{"score":8.8,"severity":"high","source":"cna","vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"cwes":[{"id":"CWE-121","name":"Stack-based Buffer Overflow"}],"description":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the Cookie HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12028.","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":"Memory corruption in DAP-1330","id":"CVE-2021-34830","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"Use after free in Reader","id":"CVE-2021-34831"},"packages":[],"prev":{"headline":"Memory corruption in DAP-1330","id":"CVE-2021-34829"},"products":["DAP-1330"],"published":"2021-07-15","related":[{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2022-29328","kev_date_added":null,"published":"2022-05-10"},{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2022-29329","kev_date_added":null,"published":"2022-05-10"},{"cvss_score":8.8,"headline":"Memory corruption in DAP-1330","id":"CVE-2021-34827","kev_date_added":null,"published":"2021-07-15"},{"cvss_score":8.8,"headline":"Memory corruption in DAP-1330","id":"CVE-2021-34828","kev_date_added":null,"published":"2021-07-15"},{"cvss_score":8.8,"headline":"Memory corruption in DAP-1330","id":"CVE-2021-34829","kev_date_added":null,"published":"2021-07-15"},{"cvss_score":8.8,"headline":"Auth bypass in DAP-1330","id":"CVE-2020-8861","kev_date_added":null,"published":"2020-02-22"}],"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":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["D-Link"]},"summary":"Network-adjacent attackers can execute arbitrary code on D-Link DAP-1330 routers via a stack-based buffer overflow in Cookie header handling.","url":"https://insights.sbomify.com/CVE-2021-34830/"}