Stack-based buffer overflow in TP-Link Archer A54
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TP-Link | Archer A54 | 0.9.1 0.4 v0001.0 Build 211108 Rel.33223n(5553) | — | No fix listed | CNA |
- Archer A54 VendorTP-Link Affected 0.9.1 0.4 v0001.0 Build 211108 Rel.33223n(5553) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-44448
- 2026-10-03 Alias added: GHSA-gh57-c4pg-p662
References
Advisory 1
More TP-Link Archer A54 Firmware vulnerabilities
- TI-2022-08821 TP-Link Archer A54 Archer A54(US)_V1_210111 routers were discovered to contain a stack… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-44448 · CVE Program
- CVE-2023-44448 · NVD
- FIRST EPSS
- GHSA-gh57-c4pg-p662 · GitHub Advisory Database · CC BY 4.0
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