1day to 0day(CVE-2022-30024) on TP-Link TL-WR841N
blog.viettelcybersecurity.com | vulnerability | #rce | #zero-day | #buffer-overflow | #router | #firmware-analysis | #tp-link | #cve-2022-30024 | #cve-2020-8423
Summary
Studying TP-Link TL-WR841N firmware, the author revisits CVE-2020-8423 and finds 0-day CVE-2022-30024: stringModify() miscounts escaped characters, overflowing a stack buffer via the survey page.
- Published
- Collected
--- id: 7349 title: "1day to 0day(CVE-2022-30024) on TP-Link TL-WR841N" source_domain: blog.viettelcybersecurity.com source_url: "https://blog.viettelcybersecurity.com/1day-to-0day-on-tl-link-tl-wr841n/" published_at: "2022-08-15T03:36:43Z" tags: ["rce", "zero-day", "buffer-overflow", "router", "firmware-analysis", "tp-link", "cve-2022-30024", "cve-2020-8423"] phying_url: "https://phying.com/item/7349" lang: en --- # 1day to 0day(CVE-2022-30024) on TP-Link TL-WR841N ## Summary Studying TP-Link TL-WR841N firmware, the author revisits CVE-2020-8423 and finds 0-day CVE-2022-30024: stringModify() miscounts escaped characters, overflowing a stack buffer via the survey page. ## Intelligence Metadata - **Sources:** blog.viettelcybersecurity.com - **Published:** 2022-08-15T03:36:43Z - **Original:** https://blog.viettelcybersecurity.com/1day-to-0day-on-tl-link-tl-wr841n/ - **Phying News:** https://phying.com/item/7349