Buffer overflow in TP-Link Tl-Wr902ac
CVE-2023-50225
TP-Link TL-WR902AC dm_fillObjByStr Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR902AC routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the libcmm.so module. 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 root. . Was ZDI-CAN-21819.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- TP-Link Tl-Wr902ac — versions 0.9.1 0.3 v008a.0 Build 211025 Rel.76009n(5553), 3.0
- TP-Link Tl-Wr902ac Firmware — versions 0.9.1_0.3_v008a.0
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-1809/ (x_research-advisory, Third Party Advisory)
- www.tp-link.com/ca/support/download/tl-wr902ac/v3/ (Product, vendor-advisory)
Frequently asked questions
- What is CVE-2023-50225?
- CVE-2023-50225 is a medium-severity vulnerability in TP-Link Tl-Wr902ac, classified under Stack-based Buffer Overflow. CVSS score: 6.8/10. Published 2024-05-03.
- How severe is CVE-2023-50225?
- Medium severity. CVSS v3 base score is 6.8 out of 10.