Buffer overflow in TP-Link Archer A54
CVE-2023-44448
TP-Link Archer A54 libcmm.so 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 Archer A54 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the file libcmm.so. 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-22262.
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: 0.006 (45.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- TP-Link Archer A54 — versions 0.9.1 0.4 v0001.0 Build 211108 Rel.33223n(5553)
- TP-Link Archer A54 — versions 1
- TP-Link Archer A54 Firmware — versions 0.9.1_0.4_v0001.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-23-1625/ (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-44448?
- CVE-2023-44448 is a medium-severity vulnerability in TP-Link Archer A54, classified under Stack-based Buffer Overflow. CVSS score: 6.8/10. Published 2024-05-03.
- How severe is CVE-2023-44448?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2023-44448 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.